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Move to partitioned plans
We don't have that many of them, but on slow(ish) server dumps or vacuums take long time. Partitioning will make it possible to handle work in smaller increments
This commit is contained in:
Hubert depesz Lubaczewski
parent
8cc4c357fc
commit
5fc15d5ed8
65
sql/patch-004.sql
Normal file
65
sql/patch-004.sql
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@ -0,0 +1,65 @@
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BEGIN;
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CREATE SCHEMA plans;
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create table plans."part_0" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_1" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_2" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_3" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_4" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_5" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_6" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_7" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_8" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_9" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_A" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_B" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_C" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_D" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_E" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_F" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_G" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_H" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_I" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_J" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_K" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_L" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_M" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_N" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_O" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_P" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_Q" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_R" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_S" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_T" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_U" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_V" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_W" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_X" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_Y" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_Z" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_a" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_b" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_c" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_d" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_e" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_f" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_g" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_h" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_i" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_j" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_k" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_l" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_m" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_n" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_o" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_p" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_q" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_r" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_s" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_t" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_u" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_v" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_w" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_x" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_y" ( like public.plans including all ) inherits (public.plans);
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create table plans."part_z" ( like public.plans including all ) inherits (public.plans);
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COMMIT;
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62
sql/patch-005.sql
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62
sql/patch-005.sql
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@ -0,0 +1,62 @@
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with x as (delete from only public.plans where id ~ '^0' returning *) insert into plans."part_0" select * from x;
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with x as (delete from only public.plans where id ~ '^1' returning *) insert into plans."part_1" select * from x;
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with x as (delete from only public.plans where id ~ '^2' returning *) insert into plans."part_2" select * from x;
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with x as (delete from only public.plans where id ~ '^3' returning *) insert into plans."part_3" select * from x;
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with x as (delete from only public.plans where id ~ '^4' returning *) insert into plans."part_4" select * from x;
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with x as (delete from only public.plans where id ~ '^5' returning *) insert into plans."part_5" select * from x;
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with x as (delete from only public.plans where id ~ '^6' returning *) insert into plans."part_6" select * from x;
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with x as (delete from only public.plans where id ~ '^7' returning *) insert into plans."part_7" select * from x;
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with x as (delete from only public.plans where id ~ '^8' returning *) insert into plans."part_8" select * from x;
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with x as (delete from only public.plans where id ~ '^9' returning *) insert into plans."part_9" select * from x;
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with x as (delete from only public.plans where id ~ '^A' returning *) insert into plans."part_A" select * from x;
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with x as (delete from only public.plans where id ~ '^B' returning *) insert into plans."part_B" select * from x;
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with x as (delete from only public.plans where id ~ '^C' returning *) insert into plans."part_C" select * from x;
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with x as (delete from only public.plans where id ~ '^D' returning *) insert into plans."part_D" select * from x;
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with x as (delete from only public.plans where id ~ '^E' returning *) insert into plans."part_E" select * from x;
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with x as (delete from only public.plans where id ~ '^F' returning *) insert into plans."part_F" select * from x;
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with x as (delete from only public.plans where id ~ '^G' returning *) insert into plans."part_G" select * from x;
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with x as (delete from only public.plans where id ~ '^H' returning *) insert into plans."part_H" select * from x;
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with x as (delete from only public.plans where id ~ '^I' returning *) insert into plans."part_I" select * from x;
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with x as (delete from only public.plans where id ~ '^J' returning *) insert into plans."part_J" select * from x;
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with x as (delete from only public.plans where id ~ '^K' returning *) insert into plans."part_K" select * from x;
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with x as (delete from only public.plans where id ~ '^L' returning *) insert into plans."part_L" select * from x;
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with x as (delete from only public.plans where id ~ '^M' returning *) insert into plans."part_M" select * from x;
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with x as (delete from only public.plans where id ~ '^N' returning *) insert into plans."part_N" select * from x;
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with x as (delete from only public.plans where id ~ '^O' returning *) insert into plans."part_O" select * from x;
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with x as (delete from only public.plans where id ~ '^P' returning *) insert into plans."part_P" select * from x;
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with x as (delete from only public.plans where id ~ '^Q' returning *) insert into plans."part_Q" select * from x;
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with x as (delete from only public.plans where id ~ '^R' returning *) insert into plans."part_R" select * from x;
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with x as (delete from only public.plans where id ~ '^S' returning *) insert into plans."part_S" select * from x;
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with x as (delete from only public.plans where id ~ '^T' returning *) insert into plans."part_T" select * from x;
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with x as (delete from only public.plans where id ~ '^U' returning *) insert into plans."part_U" select * from x;
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with x as (delete from only public.plans where id ~ '^V' returning *) insert into plans."part_V" select * from x;
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with x as (delete from only public.plans where id ~ '^W' returning *) insert into plans."part_W" select * from x;
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with x as (delete from only public.plans where id ~ '^X' returning *) insert into plans."part_X" select * from x;
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with x as (delete from only public.plans where id ~ '^Y' returning *) insert into plans."part_Y" select * from x;
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with x as (delete from only public.plans where id ~ '^Z' returning *) insert into plans."part_Z" select * from x;
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with x as (delete from only public.plans where id ~ '^a' returning *) insert into plans."part_a" select * from x;
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with x as (delete from only public.plans where id ~ '^b' returning *) insert into plans."part_b" select * from x;
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with x as (delete from only public.plans where id ~ '^c' returning *) insert into plans."part_c" select * from x;
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with x as (delete from only public.plans where id ~ '^d' returning *) insert into plans."part_d" select * from x;
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with x as (delete from only public.plans where id ~ '^e' returning *) insert into plans."part_e" select * from x;
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with x as (delete from only public.plans where id ~ '^f' returning *) insert into plans."part_f" select * from x;
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with x as (delete from only public.plans where id ~ '^g' returning *) insert into plans."part_g" select * from x;
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with x as (delete from only public.plans where id ~ '^h' returning *) insert into plans."part_h" select * from x;
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with x as (delete from only public.plans where id ~ '^i' returning *) insert into plans."part_i" select * from x;
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with x as (delete from only public.plans where id ~ '^j' returning *) insert into plans."part_j" select * from x;
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with x as (delete from only public.plans where id ~ '^k' returning *) insert into plans."part_k" select * from x;
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with x as (delete from only public.plans where id ~ '^l' returning *) insert into plans."part_l" select * from x;
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with x as (delete from only public.plans where id ~ '^m' returning *) insert into plans."part_m" select * from x;
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with x as (delete from only public.plans where id ~ '^n' returning *) insert into plans."part_n" select * from x;
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with x as (delete from only public.plans where id ~ '^o' returning *) insert into plans."part_o" select * from x;
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with x as (delete from only public.plans where id ~ '^p' returning *) insert into plans."part_p" select * from x;
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with x as (delete from only public.plans where id ~ '^q' returning *) insert into plans."part_q" select * from x;
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with x as (delete from only public.plans where id ~ '^r' returning *) insert into plans."part_r" select * from x;
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with x as (delete from only public.plans where id ~ '^s' returning *) insert into plans."part_s" select * from x;
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with x as (delete from only public.plans where id ~ '^t' returning *) insert into plans."part_t" select * from x;
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with x as (delete from only public.plans where id ~ '^u' returning *) insert into plans."part_u" select * from x;
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with x as (delete from only public.plans where id ~ '^v' returning *) insert into plans."part_v" select * from x;
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with x as (delete from only public.plans where id ~ '^w' returning *) insert into plans."part_w" select * from x;
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with x as (delete from only public.plans where id ~ '^x' returning *) insert into plans."part_x" select * from x;
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with x as (delete from only public.plans where id ~ '^y' returning *) insert into plans."part_y" select * from x;
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with x as (delete from only public.plans where id ~ '^z' returning *) insert into plans."part_z" select * from x;
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62
sql/patch-006.sql
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62
sql/patch-006.sql
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@ -0,0 +1,62 @@
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alter table plans."part_0" add check ( substr(id, 1, 1) = '0' );
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alter table plans."part_1" add check ( substr(id, 1, 1) = '1' );
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alter table plans."part_2" add check ( substr(id, 1, 1) = '2' );
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alter table plans."part_3" add check ( substr(id, 1, 1) = '3' );
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alter table plans."part_4" add check ( substr(id, 1, 1) = '4' );
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alter table plans."part_5" add check ( substr(id, 1, 1) = '5' );
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alter table plans."part_6" add check ( substr(id, 1, 1) = '6' );
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alter table plans."part_7" add check ( substr(id, 1, 1) = '7' );
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alter table plans."part_8" add check ( substr(id, 1, 1) = '8' );
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alter table plans."part_9" add check ( substr(id, 1, 1) = '9' );
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alter table plans."part_A" add check ( substr(id, 1, 1) = 'A' );
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alter table plans."part_B" add check ( substr(id, 1, 1) = 'B' );
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alter table plans."part_C" add check ( substr(id, 1, 1) = 'C' );
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alter table plans."part_D" add check ( substr(id, 1, 1) = 'D' );
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alter table plans."part_E" add check ( substr(id, 1, 1) = 'E' );
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alter table plans."part_F" add check ( substr(id, 1, 1) = 'F' );
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alter table plans."part_G" add check ( substr(id, 1, 1) = 'G' );
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alter table plans."part_H" add check ( substr(id, 1, 1) = 'H' );
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alter table plans."part_I" add check ( substr(id, 1, 1) = 'I' );
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alter table plans."part_J" add check ( substr(id, 1, 1) = 'J' );
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alter table plans."part_K" add check ( substr(id, 1, 1) = 'K' );
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alter table plans."part_L" add check ( substr(id, 1, 1) = 'L' );
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alter table plans."part_M" add check ( substr(id, 1, 1) = 'M' );
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alter table plans."part_N" add check ( substr(id, 1, 1) = 'N' );
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alter table plans."part_O" add check ( substr(id, 1, 1) = 'O' );
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alter table plans."part_P" add check ( substr(id, 1, 1) = 'P' );
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alter table plans."part_Q" add check ( substr(id, 1, 1) = 'Q' );
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alter table plans."part_R" add check ( substr(id, 1, 1) = 'R' );
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alter table plans."part_S" add check ( substr(id, 1, 1) = 'S' );
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alter table plans."part_T" add check ( substr(id, 1, 1) = 'T' );
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alter table plans."part_U" add check ( substr(id, 1, 1) = 'U' );
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alter table plans."part_V" add check ( substr(id, 1, 1) = 'V' );
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alter table plans."part_W" add check ( substr(id, 1, 1) = 'W' );
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alter table plans."part_X" add check ( substr(id, 1, 1) = 'X' );
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alter table plans."part_Y" add check ( substr(id, 1, 1) = 'Y' );
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alter table plans."part_Z" add check ( substr(id, 1, 1) = 'Z' );
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alter table plans."part_a" add check ( substr(id, 1, 1) = 'a' );
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alter table plans."part_b" add check ( substr(id, 1, 1) = 'b' );
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alter table plans."part_c" add check ( substr(id, 1, 1) = 'c' );
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alter table plans."part_d" add check ( substr(id, 1, 1) = 'd' );
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alter table plans."part_e" add check ( substr(id, 1, 1) = 'e' );
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alter table plans."part_f" add check ( substr(id, 1, 1) = 'f' );
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alter table plans."part_g" add check ( substr(id, 1, 1) = 'g' );
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alter table plans."part_h" add check ( substr(id, 1, 1) = 'h' );
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alter table plans."part_i" add check ( substr(id, 1, 1) = 'i' );
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alter table plans."part_j" add check ( substr(id, 1, 1) = 'j' );
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alter table plans."part_k" add check ( substr(id, 1, 1) = 'k' );
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alter table plans."part_l" add check ( substr(id, 1, 1) = 'l' );
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alter table plans."part_m" add check ( substr(id, 1, 1) = 'm' );
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alter table plans."part_n" add check ( substr(id, 1, 1) = 'n' );
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alter table plans."part_o" add check ( substr(id, 1, 1) = 'o' );
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alter table plans."part_p" add check ( substr(id, 1, 1) = 'p' );
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alter table plans."part_q" add check ( substr(id, 1, 1) = 'q' );
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alter table plans."part_r" add check ( substr(id, 1, 1) = 'r' );
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alter table plans."part_s" add check ( substr(id, 1, 1) = 's' );
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alter table plans."part_t" add check ( substr(id, 1, 1) = 't' );
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alter table plans."part_u" add check ( substr(id, 1, 1) = 'u' );
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alter table plans."part_v" add check ( substr(id, 1, 1) = 'v' );
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alter table plans."part_w" add check ( substr(id, 1, 1) = 'w' );
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alter table plans."part_x" add check ( substr(id, 1, 1) = 'x' );
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alter table plans."part_y" add check ( substr(id, 1, 1) = 'y' );
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alter table plans."part_z" add check ( substr(id, 1, 1) = 'z' );
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25
sql/patch-007.sql
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25
sql/patch-007.sql
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CREATE OR REPLACE FUNCTION register_plan(in_title text, in_plan text, in_is_public boolean, in_is_anonymized boolean, in_username text) RETURNS register_plan_return
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LANGUAGE plpgsql
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AS $$
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DECLARE
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use_hash_length int4 := 2;
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reply register_plan_return;
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use_sql TEXT;
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BEGIN
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reply.delete_key := get_random_string( 50 );
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LOOP
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reply.id := get_random_string(use_hash_length);
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use_sql := format( 'INSERT INTO plans.%I (id, title, plan, is_public, entered_on, is_anonymized, delete_key, added_by) VALUES ($1, $2, $3, $4, now(), $5, $6, $7 )', 'part_' || substr(reply.id, 1, 1) );
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BEGIN
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execute use_sql using reply.id, in_title, in_plan, in_is_public, in_is_anonymized, reply.delete_key, in_username;
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RETURN reply;
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EXCEPTION WHEN unique_violation THEN
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-- do nothing
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END;
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use_hash_length := use_hash_length + 1;
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IF use_hash_length >= 30 THEN
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raise exception 'Random string of length == 30 requested. something''s wrong.';
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END IF;
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END LOOP;
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END;
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$$;
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