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Nikita Glukhov
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Add contrib/jsonb_toaster
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7 files changed

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‎contrib/jsonb_toaster/Makefile

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# contrib/jsonb_toaster/Makefile
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MODULE_big = jsonb_toaster
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OBJS = \
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$(WIN32RES) \
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jsonb_toaster.o
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EXTENSION = jsonb_toaster
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DATA = jsonb_toaster--1.0.sql
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PGFILEDESC = "jsonb_toaster - updatable jsonb toaster"
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REGRESS = jsonb_toaster
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ifdef USE_PGXS
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PG_CONFIG = pg_config
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PGXS := $(shell $(PG_CONFIG) --pgxs)
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include $(PGXS)
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else
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subdir = contrib/jsonb_toaster
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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include $(top_srcdir)/contrib/contrib-global.mk
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endif

‎contrib/jsonb_toaster/expected/jsonb_toaster.out

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CREATE EXTENSION bytea_toaster;
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CREATE TABLE tst_failed (
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t jsonb TOASTER bytea_toaster
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);
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CREATE TABLE tst1 (
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t bytea TOASTER bytea_toaster
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);
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CREATE TABLE tst2 (
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t bytea
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);
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ALTER TABLE tst2 ALTER COLUMN t SET TOASTER bytea_toaster;
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CREATE TABLE test_bytea_append (id int, a bytea STORAGE EXTERNAL);
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ALTER TABLE test_bytea_append ALTER a SET TOASTER bytea_toaster;
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INSERT INTO test_bytea_append SELECT i, repeat('a', 10000)::bytea FROM generate_series(1, 10) i;
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BEGIN TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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SAVEPOINT p1;
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UPDATE test_bytea_append SET a = a || repeat('b', 3000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+---------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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(10 rows)
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SAVEPOINT p2;
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UPDATE test_bytea_append SET a = a || repeat('c', 2000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20) || substr(a, 14990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+-----------------------------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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(10 rows)
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ROLLBACK TO SAVEPOINT p2;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+---------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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(10 rows)
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UPDATE test_bytea_append SET a = a || repeat('d', 4000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20) || substr(a, 16990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+-----------------------------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbdddddddddddddddddddd
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(10 rows)
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ROLLBACK TO SAVEPOINT p1;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+--------------
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1 | aaaaaaaaaaa
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2 | aaaaaaaaaaa
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3 | aaaaaaaaaaa
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4 | aaaaaaaaaaa
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5 | aaaaaaaaaaa
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6 | aaaaaaaaaaa
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7 | aaaaaaaaaaa
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8 | aaaaaaaaaaa
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9 | aaaaaaaaaaa
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10 | aaaaaaaaaaa
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(10 rows)
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UPDATE test_bytea_append SET a = a || repeat('e', 5000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 14990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+---------------------------------
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1 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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2 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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3 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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4 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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5 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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6 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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7 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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8 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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9 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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10 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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(10 rows)
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COMMIT;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 14990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+---------------------------------
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1 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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2 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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3 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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4 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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5 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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6 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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7 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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8 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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9 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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10 | aaaaaaaaaaaeeeeeeeeeeeeeeeeeeee
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(10 rows)
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TRUNCATE test_bytea_append;
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INSERT INTO test_bytea_append SELECT i, repeat('a', 10000)::bytea FROM generate_series(1, 10) i;
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BEGIN TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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UPDATE test_bytea_append SET a = a || repeat('b', 3000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+---------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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(10 rows)
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UPDATE test_bytea_append SET a = a || repeat('c', 2000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20) || substr(a, 14990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+-----------------------------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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(10 rows)
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UPDATE test_bytea_append SET a = a || repeat('d', 4000)::bytea;
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SELECT id, convert_from(substr(a, 9990, 20) || substr(a, 12990, 20) || substr(a, 14990, 20) || substr(a, 18990, 20), 'UTF8') FROM test_bytea_append;
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id | convert_from
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----+-------------------------------------------------------------------------
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1 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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2 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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3 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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4 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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5 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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6 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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7 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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8 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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9 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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10 | aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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(10 rows)
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CREATE FUNCTION test_bytea_append_func() RETURNS void AS
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$$
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DECLARE
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a0 bytea;
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a1 bytea;
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a2 bytea;
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a3 bytea;
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BEGIN
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TRUNCATE test_bytea_append;
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INSERT INTO test_bytea_append SELECT i, repeat('a', 10000)::bytea FROM generate_series(1, 10) i;
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SELECT a INTO a0 FROM test_bytea_append LIMIT 1;
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UPDATE test_bytea_append SET a = a || repeat('b', 3000)::bytea;
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SELECT a INTO a1 FROM test_bytea_append LIMIT 1;
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UPDATE test_bytea_append SET a = a || repeat('c', 2000)::bytea;
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SELECT a INTO a2 FROM test_bytea_append LIMIT 1;
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UPDATE test_bytea_append SET a = a || repeat('d', 4000)::bytea;
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SELECT a INTO a3 FROM test_bytea_append LIMIT 1;
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RAISE NOTICE '%', convert_from(substr(a0, 9990, 20), 'UTF8');
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RAISE NOTICE '%', convert_from(substr(a1, 9990, 20) || substr(a1, 12990, 20), 'UTF8');
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RAISE NOTICE '%', convert_from(substr(a2, 9990, 20) || substr(a2, 12990, 20) || substr(a2, 14990, 20), 'UTF8');
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RAISE NOTICE '%', convert_from(substr(a3, 9990, 20) || substr(a3, 12990, 20) || substr(a3, 14990, 20) || substr(a3, 18990, 20), 'UTF8');
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END;
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$$ LANGUAGE plpgsql;
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SELECT test_bytea_append_func();
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NOTICE: aaaaaaaaaaa
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NOTICE: aaaaaaaaaaabbbbbbbbbbbbbbbbbbbb
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NOTICE: aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbcccccccccccccccccccc
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NOTICE: aaaaaaaaaaabbbbbbbbbbbbbbbbbbbbccccccccccccccccccccdddddddddddddddddddd
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test_bytea_append_func
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------------------------
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(1 row)
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COMMIT;
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DROP TABLE test_bytea_append;

‎contrib/jsonb_toaster/jsonb_toaster--1.0.sql

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/* contrib/jsonb_toaster/jsonb_toaster--1.0.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION jsonb_toaster" to load this file. \quit
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CREATE FUNCTION jsonb_toaster_handler(internal)
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RETURNS toaster_handler
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AS 'MODULE_PATHNAME'
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LANGUAGE C;
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CREATE TOASTER jsonb_toaster HANDLER jsonb_toaster_handler;
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COMMENT ON TOASTER jsonb_toaster IS 'jsonb_toaster is a updatable jsonb toaster';
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