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/ takes precedence over & but the appropriate parens were not provided. By some bad luck the tests worked either way, so add a new test that only works the correct way to prevent a regression.
796 lines
28 KiB
C
796 lines
28 KiB
C
/***********************************************************************************************************************************
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PostgreSQL Interface
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***********************************************************************************************************************************/
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#include "build.auto.h"
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#include <string.h>
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#include "common/debug.h"
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#include "common/log.h"
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#include "common/memContext.h"
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#include "common/regExp.h"
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#include "postgres/interface.h"
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#include "postgres/interface/version.h"
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#include "postgres/version.h"
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#include "storage/helper.h"
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/***********************************************************************************************************************************
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Defines for various Postgres paths and files
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***********************************************************************************************************************************/
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STRING_EXTERN(PG_FILE_PGVERSION_STR, PG_FILE_PGVERSION);
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STRING_EXTERN(PG_FILE_POSTGRESQLAUTOCONF_STR, PG_FILE_POSTGRESQLAUTOCONF);
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STRING_EXTERN(PG_FILE_POSTMASTERPID_STR, PG_FILE_POSTMASTERPID);
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STRING_EXTERN(PG_FILE_RECOVERYCONF_STR, PG_FILE_RECOVERYCONF);
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STRING_EXTERN(PG_FILE_RECOVERYDONE_STR, PG_FILE_RECOVERYDONE);
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STRING_EXTERN(PG_FILE_RECOVERYSIGNAL_STR, PG_FILE_RECOVERYSIGNAL);
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STRING_EXTERN(PG_FILE_STANDBYSIGNAL_STR, PG_FILE_STANDBYSIGNAL);
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STRING_EXTERN(PG_PATH_GLOBAL_STR, PG_PATH_GLOBAL);
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STRING_EXTERN(PG_NAME_WAL_STR, PG_NAME_WAL);
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STRING_EXTERN(PG_NAME_XLOG_STR, PG_NAME_XLOG);
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// Wal path names depending on version
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STRING_STATIC(PG_PATH_PGWAL_STR, "pg_wal");
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STRING_STATIC(PG_PATH_PGXLOG_STR, "pg_xlog");
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// Transaction commit log path names depending on version
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STRING_STATIC(PG_PATH_PGCLOG_STR, "pg_clog");
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STRING_STATIC(PG_PATH_PGXACT_STR, "pg_xact");
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// Lsn name used in functions depnding on version
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STRING_STATIC(PG_NAME_LSN_STR, "lsn");
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STRING_STATIC(PG_NAME_LOCATION_STR, "location");
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/***********************************************************************************************************************************
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Define default wal segment size
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Before PostgreSQL 11 WAL segment size could only be changed at compile time and is not known to be well-tested, so only the default
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WAL segment size is supported for versions below 11.
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***********************************************************************************************************************************/
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#define PG_WAL_SEGMENT_SIZE_DEFAULT ((unsigned int)(16 * 1024 * 1024))
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/***********************************************************************************************************************************
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Control file size. The control file is actually 8192 bytes but only the first 512 bytes are used to prevent torn pages even on
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really old storage with 512-byte sectors. This is true across all versions of PostgreSQL.
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***********************************************************************************************************************************/
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#define PG_CONTROL_SIZE ((unsigned int)(8 * 1024))
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#define PG_CONTROL_DATA_SIZE ((unsigned int)(512))
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/***********************************************************************************************************************************
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WAL header size. It doesn't seem worth tracking the exact size of the WAL header across versions of PostgreSQL so just set it to
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something far larger needed but <= the minimum read size on just about any system.
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***********************************************************************************************************************************/
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#define PG_WAL_HEADER_SIZE ((unsigned int)(512))
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/***********************************************************************************************************************************
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Name of default PostgreSQL database used for running all queries and commands
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***********************************************************************************************************************************/
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STRING_EXTERN(PG_DB_POSTGRES_STR, PG_DB_POSTGRES);
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/***********************************************************************************************************************************
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PostgreSQL interface definitions
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Each supported version of PostgreSQL must have interface files named postgres/interface/vXXX.c/h that implement the functions
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specified in the interface structure below. The functions are documented here rather than in the interface files so that a change
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in wording does not need to be propagated through N source files.
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***********************************************************************************************************************************/
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typedef struct PgInterface
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{
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// Version of PostgreSQL supported by this interface
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unsigned int version;
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// Get the catalog version for this version of PostgreSQL
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uint32_t (*catalogVersion)(void);
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// Does pg_control match this version of PostgreSQL?
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bool (*controlIs)(const unsigned char *);
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// Convert pg_control to a common data structure
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PgControl (*control)(const unsigned char *);
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// Get the control version for this version of PostgreSQL
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uint32_t (*controlVersion)(void);
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// Does the WAL header match this version of PostgreSQL?
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bool (*walIs)(const unsigned char *);
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// Convert WAL header to a common data structure
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PgWal (*wal)(const unsigned char *);
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#ifdef DEBUG
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// Create pg_control for testing
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void (*controlTest)(PgControl, unsigned char *);
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// Create WAL header for testing
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void (*walTest)(PgWal, unsigned char *);
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#endif
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} PgInterface;
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static const PgInterface pgInterface[] =
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{
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{
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.version = PG_VERSION_12,
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.catalogVersion = pgInterfaceCatalogVersion120,
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.controlIs = pgInterfaceControlIs120,
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.control = pgInterfaceControl120,
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.controlVersion = pgInterfaceControlVersion120,
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.walIs = pgInterfaceWalIs120,
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.wal = pgInterfaceWal120,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest120,
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.walTest = pgInterfaceWalTest120,
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#endif
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},
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{
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.version = PG_VERSION_11,
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.catalogVersion = pgInterfaceCatalogVersion110,
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.controlIs = pgInterfaceControlIs110,
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.control = pgInterfaceControl110,
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.controlVersion = pgInterfaceControlVersion110,
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.walIs = pgInterfaceWalIs110,
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.wal = pgInterfaceWal110,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest110,
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.walTest = pgInterfaceWalTest110,
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#endif
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},
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{
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.version = PG_VERSION_10,
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.catalogVersion = pgInterfaceCatalogVersion100,
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.controlIs = pgInterfaceControlIs100,
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.control = pgInterfaceControl100,
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.controlVersion = pgInterfaceControlVersion100,
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.walIs = pgInterfaceWalIs100,
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.wal = pgInterfaceWal100,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest100,
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.walTest = pgInterfaceWalTest100,
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#endif
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},
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{
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.version = PG_VERSION_96,
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.catalogVersion = pgInterfaceCatalogVersion096,
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.controlIs = pgInterfaceControlIs096,
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.control = pgInterfaceControl096,
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.controlVersion = pgInterfaceControlVersion096,
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.walIs = pgInterfaceWalIs096,
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.wal = pgInterfaceWal096,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest096,
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.walTest = pgInterfaceWalTest096,
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#endif
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},
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{
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.version = PG_VERSION_95,
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.catalogVersion = pgInterfaceCatalogVersion095,
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.controlIs = pgInterfaceControlIs095,
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.control = pgInterfaceControl095,
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.controlVersion = pgInterfaceControlVersion095,
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.walIs = pgInterfaceWalIs095,
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.wal = pgInterfaceWal095,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest095,
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.walTest = pgInterfaceWalTest095,
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#endif
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},
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{
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.version = PG_VERSION_94,
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.catalogVersion = pgInterfaceCatalogVersion094,
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.controlIs = pgInterfaceControlIs094,
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.control = pgInterfaceControl094,
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.controlVersion = pgInterfaceControlVersion094,
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.walIs = pgInterfaceWalIs094,
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.wal = pgInterfaceWal094,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest094,
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.walTest = pgInterfaceWalTest094,
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#endif
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},
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{
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.version = PG_VERSION_93,
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.catalogVersion = pgInterfaceCatalogVersion093,
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.controlIs = pgInterfaceControlIs093,
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.control = pgInterfaceControl093,
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.controlVersion = pgInterfaceControlVersion093,
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.walIs = pgInterfaceWalIs093,
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.wal = pgInterfaceWal093,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest093,
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.walTest = pgInterfaceWalTest093,
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#endif
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},
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{
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.version = PG_VERSION_92,
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.catalogVersion = pgInterfaceCatalogVersion092,
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.controlIs = pgInterfaceControlIs092,
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.control = pgInterfaceControl092,
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.controlVersion = pgInterfaceControlVersion092,
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.walIs = pgInterfaceWalIs092,
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.wal = pgInterfaceWal092,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest092,
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.walTest = pgInterfaceWalTest092,
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#endif
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},
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{
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.version = PG_VERSION_91,
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.catalogVersion = pgInterfaceCatalogVersion091,
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.controlIs = pgInterfaceControlIs091,
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.control = pgInterfaceControl091,
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.controlVersion = pgInterfaceControlVersion091,
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.walIs = pgInterfaceWalIs091,
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.wal = pgInterfaceWal091,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest091,
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.walTest = pgInterfaceWalTest091,
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#endif
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},
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{
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.version = PG_VERSION_90,
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.catalogVersion = pgInterfaceCatalogVersion090,
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.controlIs = pgInterfaceControlIs090,
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.control = pgInterfaceControl090,
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.controlVersion = pgInterfaceControlVersion090,
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.walIs = pgInterfaceWalIs090,
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.wal = pgInterfaceWal090,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest090,
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.walTest = pgInterfaceWalTest090,
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#endif
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},
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{
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.version = PG_VERSION_84,
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.catalogVersion = pgInterfaceCatalogVersion084,
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.controlIs = pgInterfaceControlIs084,
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.control = pgInterfaceControl084,
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.controlVersion = pgInterfaceControlVersion084,
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.walIs = pgInterfaceWalIs084,
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.wal = pgInterfaceWal084,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest084,
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.walTest = pgInterfaceWalTest084,
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#endif
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},
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{
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.version = PG_VERSION_83,
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.catalogVersion = pgInterfaceCatalogVersion083,
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.controlIs = pgInterfaceControlIs083,
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.control = pgInterfaceControl083,
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.controlVersion = pgInterfaceControlVersion083,
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.walIs = pgInterfaceWalIs083,
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.wal = pgInterfaceWal083,
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#ifdef DEBUG
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.controlTest = pgInterfaceControlTest083,
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.walTest = pgInterfaceWalTest083,
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#endif
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},
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};
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// Total PostgreSQL versions in pgInterface
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#define PG_INTERFACE_SIZE (sizeof(pgInterface) / sizeof(PgInterface))
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/***********************************************************************************************************************************
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These pg_control fields are common to all versions of PostgreSQL, so we can use them to generate error messages when the pg_control
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version cannot be found.
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***********************************************************************************************************************************/
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typedef struct PgControlCommon
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{
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uint64_t systemId;
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uint32_t controlVersion;
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uint32_t catalogVersion;
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} PgControlCommon;
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/***********************************************************************************************************************************
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Get the interface for a PostgreSQL version
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***********************************************************************************************************************************/
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static const PgInterface *
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pgInterfaceVersion(unsigned int pgVersion)
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{
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FUNCTION_TEST_BEGIN();
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FUNCTION_TEST_PARAM(UINT, pgVersion);
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FUNCTION_TEST_END();
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const PgInterface *result = NULL;
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for (unsigned int interfaceIdx = 0; interfaceIdx < PG_INTERFACE_SIZE; interfaceIdx++)
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{
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if (pgInterface[interfaceIdx].version == pgVersion)
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{
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result = &pgInterface[interfaceIdx];
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break;
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}
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}
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// If the version was not found then error
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if (result == NULL)
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THROW_FMT(AssertError, "invalid " PG_NAME " version %u", pgVersion);
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FUNCTION_TEST_RETURN(result);
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}
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/***********************************************************************************************************************************
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Get the catalog version for a PostgreSQL version
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***********************************************************************************************************************************/
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uint32_t
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pgCatalogVersion(unsigned int pgVersion)
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{
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FUNCTION_TEST_BEGIN();
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FUNCTION_TEST_PARAM(UINT, pgVersion);
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FUNCTION_TEST_END();
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FUNCTION_TEST_RETURN(pgInterfaceVersion(pgVersion)->catalogVersion());
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}
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/***********************************************************************************************************************************
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Get info from pg_control
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***********************************************************************************************************************************/
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PgControl
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pgControlFromBuffer(const Buffer *controlFile)
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{
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FUNCTION_LOG_BEGIN(logLevelTrace);
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FUNCTION_LOG_PARAM(BUFFER, controlFile);
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FUNCTION_LOG_END();
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ASSERT(controlFile != NULL);
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// Search for the version of PostgreSQL that uses this control file
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const PgInterface *interface = NULL;
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for (unsigned int interfaceIdx = 0; interfaceIdx < PG_INTERFACE_SIZE; interfaceIdx++)
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{
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if (pgInterface[interfaceIdx].controlIs(bufPtr(controlFile)))
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{
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interface = &pgInterface[interfaceIdx];
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break;
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}
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}
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// If the version was not found then error with the control and catalog version that were found
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if (interface == NULL)
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{
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PgControlCommon *controlCommon = (PgControlCommon *)bufPtr(controlFile);
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THROW_FMT(
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VersionNotSupportedError,
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"unexpected control version = %u and catalog version = %u\n"
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"HINT: is this version of PostgreSQL supported?",
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controlCommon->controlVersion, controlCommon->catalogVersion);
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}
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// Get info from the control file
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PgControl result = interface->control(bufPtr(controlFile));
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result.version = interface->version;
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// Check the segment size
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if (result.version < PG_VERSION_11 && result.walSegmentSize != PG_WAL_SEGMENT_SIZE_DEFAULT)
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{
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THROW_FMT(
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FormatError, "wal segment size is %u but must be %u for " PG_NAME " <= " PG_VERSION_10_STR, result.walSegmentSize,
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PG_WAL_SEGMENT_SIZE_DEFAULT);
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}
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// Check the page size
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if (result.pageSize != PG_PAGE_SIZE_DEFAULT)
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THROW_FMT(FormatError, "page size is %u but must be %u", result.pageSize, PG_PAGE_SIZE_DEFAULT);
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FUNCTION_LOG_RETURN(PG_CONTROL, result);
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}
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/***********************************************************************************************************************************
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Get info from pg_control
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***********************************************************************************************************************************/
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PgControl
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pgControlFromFile(const Storage *storage)
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{
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FUNCTION_LOG_BEGIN(logLevelDebug);
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FUNCTION_LOG_PARAM(STORAGE, storage);
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FUNCTION_LOG_END();
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ASSERT(storage != NULL);
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PgControl result = {0};
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MEM_CONTEXT_TEMP_BEGIN()
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{
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// Read control file
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Buffer *controlFile = storageGetP(
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storageNewReadP(storage, STRDEF(PG_PATH_GLOBAL "/" PG_FILE_PGCONTROL)), .exactSize = PG_CONTROL_DATA_SIZE);
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result = pgControlFromBuffer(controlFile);
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}
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MEM_CONTEXT_TEMP_END();
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FUNCTION_LOG_RETURN(PG_CONTROL, result);
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}
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/***********************************************************************************************************************************
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Get the control version for a PostgreSQL version
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***********************************************************************************************************************************/
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uint32_t
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pgControlVersion(unsigned int pgVersion)
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{
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FUNCTION_TEST_BEGIN();
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FUNCTION_TEST_PARAM(UINT, pgVersion);
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FUNCTION_TEST_END();
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FUNCTION_TEST_RETURN(pgInterfaceVersion(pgVersion)->controlVersion());
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}
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/***********************************************************************************************************************************
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These WAL header fields are common to all versions of PostgreSQL, so we can use them to generate error messages when the WAL magic
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cannot be found.
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***********************************************************************************************************************************/
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typedef struct PgWalCommon
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{
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uint16_t magic;
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uint16_t flag;
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} PgWalCommon;
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#define PG_WAL_LONG_HEADER 0x0002
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/***********************************************************************************************************************************
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Get info from WAL header
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***********************************************************************************************************************************/
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PgWal
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pgWalFromBuffer(const Buffer *walBuffer)
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{
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FUNCTION_LOG_BEGIN(logLevelTrace);
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FUNCTION_LOG_PARAM(BUFFER, walBuffer);
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FUNCTION_LOG_END();
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ASSERT(walBuffer != NULL);
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// Check that this is a long format WAL header
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if (!(((PgWalCommon *)bufPtr(walBuffer))->flag & PG_WAL_LONG_HEADER))
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THROW_FMT(FormatError, "first page header in WAL file is expected to be in long format");
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// Search for the version of PostgreSQL that uses this WAL magic
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const PgInterface *interface = NULL;
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for (unsigned int interfaceIdx = 0; interfaceIdx < PG_INTERFACE_SIZE; interfaceIdx++)
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{
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if (pgInterface[interfaceIdx].walIs(bufPtr(walBuffer)))
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{
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interface = &pgInterface[interfaceIdx];
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break;
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}
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}
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// If the version was not found then error with the magic that was found
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if (interface == NULL)
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{
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THROW_FMT(
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VersionNotSupportedError,
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"unexpected WAL magic %u\n"
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"HINT: is this version of PostgreSQL supported?",
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((PgWalCommon *)bufPtr(walBuffer))->magic);
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}
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// Get info from the control file
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PgWal result = interface->wal(bufPtr(walBuffer));
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result.version = interface->version;
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FUNCTION_LOG_RETURN(PG_WAL, result);
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}
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/***********************************************************************************************************************************
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Get info from a WAL segment
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***********************************************************************************************************************************/
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PgWal
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pgWalFromFile(const String *walFile)
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{
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FUNCTION_LOG_BEGIN(logLevelDebug);
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FUNCTION_LOG_PARAM(STRING, walFile);
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FUNCTION_LOG_END();
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ASSERT(walFile != NULL);
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PgWal result = {0};
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MEM_CONTEXT_TEMP_BEGIN()
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{
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// Read WAL segment header
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Buffer *walBuffer = storageGetP(storageNewReadP(storageLocal(), walFile), .exactSize = PG_WAL_HEADER_SIZE);
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result = pgWalFromBuffer(walBuffer);
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}
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MEM_CONTEXT_TEMP_END();
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FUNCTION_LOG_RETURN(PG_WAL, result);
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}
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/**********************************************************************************************************************************/
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String *
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pgTablespaceId(unsigned int pgVersion)
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{
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FUNCTION_TEST_BEGIN();
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FUNCTION_TEST_PARAM(UINT, pgVersion);
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FUNCTION_TEST_END();
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String *result = NULL;
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if (pgVersion >= PG_VERSION_90)
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{
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MEM_CONTEXT_TEMP_BEGIN()
|
|
{
|
|
String *pgVersionStr = pgVersionToStr(pgVersion);
|
|
|
|
memContextSwitch(MEM_CONTEXT_OLD());
|
|
result = strNewFmt("PG_%s_%u", strPtr(pgVersionStr), pgCatalogVersion(pgVersion));
|
|
memContextSwitch(MEM_CONTEXT_TEMP());
|
|
}
|
|
MEM_CONTEXT_TEMP_END();
|
|
}
|
|
|
|
FUNCTION_TEST_RETURN(result);
|
|
}
|
|
|
|
/**********************************************************************************************************************************/
|
|
uint64_t
|
|
pgLsnFromStr(const String *lsn)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(STRING, lsn);
|
|
FUNCTION_TEST_END();
|
|
|
|
uint64_t result = 0;
|
|
|
|
MEM_CONTEXT_TEMP_BEGIN()
|
|
{
|
|
StringList *lsnPart = strLstNewSplit(lsn, FSLASH_STR);
|
|
|
|
CHECK(strLstSize(lsnPart) == 2);
|
|
|
|
result = (cvtZToUInt64Base(strPtr(strLstGet(lsnPart, 0)), 16) << 32) + cvtZToUInt64Base(strPtr(strLstGet(lsnPart, 1)), 16);
|
|
}
|
|
MEM_CONTEXT_TEMP_END();
|
|
|
|
FUNCTION_TEST_RETURN(result);
|
|
}
|
|
|
|
String *
|
|
pgLsnToStr(uint64_t lsn)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT64, lsn);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(strNewFmt("%x/%x", (unsigned int)(lsn >> 32), (unsigned int)(lsn & 0xFFFFFFFF)));
|
|
}
|
|
|
|
/**********************************************************************************************************************************/
|
|
String *
|
|
pgLsnToWalSegment(uint32_t timeline, uint64_t lsn, unsigned int walSegmentSize)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT, timeline);
|
|
FUNCTION_TEST_PARAM(UINT64, lsn);
|
|
FUNCTION_TEST_PARAM(UINT, walSegmentSize);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(
|
|
strNewFmt("%08X%08X%08X", timeline, (unsigned int)(lsn >> 32), (unsigned int)(lsn & 0xFFFFFFFF) / walSegmentSize));
|
|
}
|
|
|
|
/**********************************************************************************************************************************/
|
|
const String *
|
|
pgLsnName(unsigned int pgVersion)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT, pgVersion);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(pgVersion >= PG_VERSION_WAL_RENAME ? PG_NAME_LSN_STR : PG_NAME_LOCATION_STR);
|
|
}
|
|
|
|
/***********************************************************************************************************************************
|
|
Get WAL name (wal/xlog) for a PostgreSQL version
|
|
***********************************************************************************************************************************/
|
|
const String *
|
|
pgWalName(unsigned int pgVersion)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT, pgVersion);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(pgVersion >= PG_VERSION_WAL_RENAME ? PG_NAME_WAL_STR : PG_NAME_XLOG_STR);
|
|
}
|
|
|
|
/**********************************************************************************************************************************/
|
|
const String *
|
|
pgWalPath(unsigned int pgVersion)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT, pgVersion);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(pgVersion >= PG_VERSION_WAL_RENAME ? PG_PATH_PGWAL_STR : PG_PATH_PGXLOG_STR);
|
|
}
|
|
|
|
/**********************************************************************************************************************************/
|
|
const String *
|
|
pgXactPath(unsigned int pgVersion)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(UINT, pgVersion);
|
|
FUNCTION_TEST_END();
|
|
|
|
FUNCTION_TEST_RETURN(pgVersion >= PG_VERSION_WAL_RENAME ? PG_PATH_PGXACT_STR : PG_PATH_PGCLOG_STR);
|
|
}
|
|
|
|
/***********************************************************************************************************************************
|
|
Create pg_control for testing
|
|
***********************************************************************************************************************************/
|
|
#ifdef DEBUG
|
|
|
|
Buffer *
|
|
pgControlTestToBuffer(PgControl pgControl)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(PG_CONTROL, pgControl);
|
|
FUNCTION_TEST_END();
|
|
|
|
// Set defaults if values are not passed
|
|
pgControl.pageSize = pgControl.pageSize == 0 ? PG_PAGE_SIZE_DEFAULT : pgControl.pageSize;
|
|
pgControl.walSegmentSize = pgControl.walSegmentSize == 0 ? PG_WAL_SEGMENT_SIZE_DEFAULT : pgControl.walSegmentSize;
|
|
|
|
// Create the buffer and clear it
|
|
Buffer *result = bufNew(PG_CONTROL_SIZE);
|
|
memset(bufPtr(result), 0, bufSize(result));
|
|
bufUsedSet(result, bufSize(result));
|
|
|
|
// Generate pg_control
|
|
pgInterfaceVersion(pgControl.version)->controlTest(pgControl, bufPtr(result));
|
|
|
|
FUNCTION_TEST_RETURN(result);
|
|
}
|
|
|
|
#endif
|
|
|
|
/***********************************************************************************************************************************
|
|
Create WAL for testing
|
|
***********************************************************************************************************************************/
|
|
#ifdef DEBUG
|
|
|
|
void
|
|
pgWalTestToBuffer(PgWal pgWal, Buffer *walBuffer)
|
|
{
|
|
FUNCTION_TEST_BEGIN();
|
|
FUNCTION_TEST_PARAM(PG_WAL, pgWal);
|
|
FUNCTION_TEST_PARAM(BUFFER, walBuffer);
|
|
FUNCTION_TEST_END();
|
|
|
|
ASSERT(walBuffer != NULL);
|
|
|
|
// Generate WAL
|
|
pgInterfaceVersion(pgWal.version)->walTest(pgWal, bufPtr(walBuffer));
|
|
|
|
FUNCTION_TEST_RETURN_VOID();
|
|
}
|
|
|
|
#endif
|
|
|
|
/***********************************************************************************************************************************
|
|
Convert version string to version number
|
|
***********************************************************************************************************************************/
|
|
unsigned int
|
|
pgVersionFromStr(const String *version)
|
|
{
|
|
FUNCTION_LOG_BEGIN(logLevelTrace);
|
|
FUNCTION_LOG_PARAM(STRING, version);
|
|
FUNCTION_LOG_END();
|
|
|
|
ASSERT(version != NULL);
|
|
|
|
unsigned int result = 0;
|
|
|
|
MEM_CONTEXT_TEMP_BEGIN()
|
|
{
|
|
// If format is not number.number (9.4) or number only (10) then error
|
|
if (!regExpMatchOne(STRDEF("^[0-9]+[.]*[0-9]+$"), version))
|
|
THROW_FMT(AssertError, "version %s format is invalid", strPtr(version));
|
|
|
|
// If there is a dot set the major and minor versions, else just the major
|
|
int idxStart = strChr(version, '.');
|
|
unsigned int major;
|
|
unsigned int minor = 0;
|
|
|
|
if (idxStart != -1)
|
|
{
|
|
major = cvtZToUInt(strPtr(strSubN(version, 0, (size_t)idxStart)));
|
|
minor = cvtZToUInt(strPtr(strSub(version, (size_t)idxStart + 1)));
|
|
}
|
|
else
|
|
major = cvtZToUInt(strPtr(version));
|
|
|
|
// No check to see if valid/supported PG version is on purpose
|
|
result = major * 10000 + minor * 100;
|
|
}
|
|
MEM_CONTEXT_TEMP_END();
|
|
|
|
FUNCTION_LOG_RETURN(UINT, result);
|
|
}
|
|
|
|
/***********************************************************************************************************************************
|
|
Convert version number to string
|
|
***********************************************************************************************************************************/
|
|
String *
|
|
pgVersionToStr(unsigned int version)
|
|
{
|
|
FUNCTION_LOG_BEGIN(logLevelTrace);
|
|
FUNCTION_LOG_PARAM(UINT, version);
|
|
FUNCTION_LOG_END();
|
|
|
|
String *result = version >= PG_VERSION_10 ?
|
|
strNewFmt("%u", version / 10000) : strNewFmt("%u.%u", version / 10000, version % 10000 / 100);
|
|
|
|
FUNCTION_LOG_RETURN(STRING, result);
|
|
}
|
|
|
|
/***********************************************************************************************************************************
|
|
Render as string for logging
|
|
***********************************************************************************************************************************/
|
|
String *
|
|
pgControlToLog(const PgControl *pgControl)
|
|
{
|
|
return strNewFmt(
|
|
"{version: %u, systemId: %" PRIu64 ", walSegmentSize: %u, pageChecksum: %s}", pgControl->version, pgControl->systemId,
|
|
pgControl->walSegmentSize, cvtBoolToConstZ(pgControl->pageChecksum));
|
|
}
|
|
|
|
String *
|
|
pgWalToLog(const PgWal *pgWal)
|
|
{
|
|
return strNewFmt("{version: %u, systemId: %" PRIu64 "}", pgWal->version, pgWal->systemId);
|
|
}
|