OpenIntegrations/docs/en/md/PostgreSQL/Orm/Create-table.mdx

---
sidebar_position: 5
---

import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';

# Create table
 Creates an empty table in the database



`Function CreateTable(Val Table, Val ColoumnsStruct, Val Connection = "") Export`

  | Parameter | CLI option | Type | Required | Description |
  |-|-|-|-|-|
  | Table | --table | String | ✔ | Table name |
  | ColoumnsStruct | --cols | Structure Of KeyAndValue | ✔ | Column structure: Key > Name, Value > Data type |
  | Connection | --dbc | String, Arbitrary | ✖ | Connection or connection string |

  
  Returns:  Map Of KeyAndValue - Result of query execution

<br/>

:::tip
The list of available types is described on the initial page of the PostgreSQL library documentation
:::
<br/>



```bsl title="1C:Enterprise/OneScript code example"
    Address  = "127.0.0.1";
    Login    = "bayselonarrend";
    Password = "12we...";
    Base     = "testbase1";

    ConnectionString = OPI_PostgreSQL.GenerateConnectionString(Address, Base, Login, Password);

    Table = "testtable";

    ColoumnsStruct = New Structure;
    ColoumnsStruct.Insert("bool_field"       , "BOOL");
    ColoumnsStruct.Insert("oldchar_field"    , """char""");
    ColoumnsStruct.Insert("smallint_field"   , "SMALLINT");
    ColoumnsStruct.Insert("smallserial_field", "SMALLSERIAL");
    ColoumnsStruct.Insert("int_field"        , "INT");
    ColoumnsStruct.Insert("serial_field"     , "SERIAL");
    ColoumnsStruct.Insert("oid_field"        , "OID");
    ColoumnsStruct.Insert("bigint_field"     , "BIGINT");
    ColoumnsStruct.Insert("bigserial_field"  , "BIGSERIAL");
    ColoumnsStruct.Insert("real_field"       , "REAL");
    ColoumnsStruct.Insert("dp_field"         , "DOUBLE PRECISION");
    ColoumnsStruct.Insert("text_field"       , "TEXT");
    ColoumnsStruct.Insert("varchar_field"    , "VARCHAR");
    ColoumnsStruct.Insert("charn_field"      , "CHAR(3)");
    ColoumnsStruct.Insert("char_field"       , "CHAR");
    ColoumnsStruct.Insert("name_field"       , "NAME");
    ColoumnsStruct.Insert("bytea_field"      , "BYTEA");
    ColoumnsStruct.Insert("ts_field"         , "TIMESTAMP");
    ColoumnsStruct.Insert("tswtz_field"      , "TIMESTAMP WITH TIME ZONE");
    ColoumnsStruct.Insert("ip_field"         , "INET");
    ColoumnsStruct.Insert("json_field"       , "JSON");
    ColoumnsStruct.Insert("jsonb_field"      , "JSONB");
    ColoumnsStruct.Insert("date_field"       , "DATE");
    ColoumnsStruct.Insert("time_field"       , "TIME");
    ColoumnsStruct.Insert("uuid_field"       , "UUID");

    // When using the connection string, a new connection is initialised,
    // which will be closed after the function is executed.
    // If several operations are performed, it is desirable to use one connection,
    // previously created by the CreateConnection function()
    Result = OPI_PostgreSQL.CreateTable(Table, ColoumnsStruct, ConnectionString);
```