diff --git a/doc/src/sgml/ref/analyze.sgml b/doc/src/sgml/ref/analyze.sgml index 10b3a9a..05882c3 100644 --- a/doc/src/sgml/ref/analyze.sgml +++ b/doc/src/sgml/ref/analyze.sgml @@ -27,6 +27,7 @@ ANALYZE [ VERBOSE ] [ table_and_columnswhere option can be one of: VERBOSE + NOWAIT and table_and_columns is: @@ -77,6 +78,17 @@ ANALYZE [ VERBOSE ] [ table_and_columns + NOWAIT + + + Specifies that ANALYZE should not wait for any + conflicting locks to be released: if a relation cannot be locked + immediately without waiting, the relation is skipped. + + + + + table_name diff --git a/doc/src/sgml/ref/vacuum.sgml b/doc/src/sgml/ref/vacuum.sgml index b760e8e..1d7ffef 100644 --- a/doc/src/sgml/ref/vacuum.sgml +++ b/doc/src/sgml/ref/vacuum.sgml @@ -31,6 +31,7 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ ANALYZE ] [ table_and_columns is: @@ -161,6 +162,17 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ ANALYZE ] [ table_name diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 1c8f115..34cf156 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -10507,6 +10507,7 @@ vacuum_option_elem: errmsg("unrecognized VACUUM option \"%s\"", $1), parser_errposition(@1))); } + | NOWAIT { $$ = VACOPT_NOWAIT; } ; AnalyzeStmt: analyze_keyword opt_verbose opt_vacuum_relation_list @@ -10534,6 +10535,7 @@ analyze_option_list: analyze_option_elem: VERBOSE { $$ = VACOPT_VERBOSE; } + | NOWAIT { $$ = VACOPT_NOWAIT; } ; analyze_keyword: diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index b72178e..2d0f581 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -3116,7 +3116,7 @@ typedef enum VacuumOption VACOPT_VERBOSE = 1 << 2, /* print progress info */ VACOPT_FREEZE = 1 << 3, /* FREEZE option */ VACOPT_FULL = 1 << 4, /* FULL (non-concurrent) vacuum */ - VACOPT_NOWAIT = 1 << 5, /* don't wait to get lock (autovacuum only) */ + VACOPT_NOWAIT = 1 << 5, /* don't wait to get lock */ VACOPT_SKIPTOAST = 1 << 6, /* don't process the TOAST table, if any */ VACOPT_DISABLE_PAGE_SKIPPING = 1 << 7 /* don't skip any pages */ } VacuumOption; diff --git a/src/test/isolation/expected/vacuum-nowait.out b/src/test/isolation/expected/vacuum-nowait.out new file mode 100644 index 0000000..225ec23 --- /dev/null +++ b/src/test/isolation/expected/vacuum-nowait.out @@ -0,0 +1,64 @@ +Parsed test spec with 2 sessions + +starting permutation: lock vac_specified commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +WARNING: skipping vacuum of "part1" --- lock not available +step vac_specified: VACUUM (NOWAIT) part1, part2; +step commit: + COMMIT; + + +starting permutation: lock vac_all_parts commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +step vac_all_parts: VACUUM (NOWAIT) parted; +step commit: + COMMIT; + + +starting permutation: lock analyze_specified commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +WARNING: skipping analyze of "part1" --- lock not available +step analyze_specified: ANALYZE (NOWAIT) part1, part2; +step commit: + COMMIT; + + +starting permutation: lock analyze_all_parts commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +step analyze_all_parts: ANALYZE (NOWAIT) parted; +step commit: + COMMIT; + + +starting permutation: lock vac_analyze_specified commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +WARNING: skipping vacuum of "part1" --- lock not available +step vac_analyze_specified: VACUUM (ANALYZE, NOWAIT) part1, part2; +step commit: + COMMIT; + + +starting permutation: lock vac_analyze_all_parts commit +step lock: + BEGIN; + LOCK part1 IN SHARE MODE; + +step vac_analyze_all_parts: VACUUM (ANALYZE, NOWAIT) parted; +step commit: + COMMIT; + diff --git a/src/test/isolation/isolation_schedule b/src/test/isolation/isolation_schedule index befe676..9d0dc7b 100644 --- a/src/test/isolation/isolation_schedule +++ b/src/test/isolation/isolation_schedule @@ -65,3 +65,4 @@ test: async-notify test: vacuum-reltuples test: timeouts test: vacuum-concurrent-drop +test: vacuum-nowait diff --git a/src/test/isolation/specs/vacuum-nowait.spec b/src/test/isolation/specs/vacuum-nowait.spec new file mode 100644 index 0000000..498b0a0 --- /dev/null +++ b/src/test/isolation/specs/vacuum-nowait.spec @@ -0,0 +1,42 @@ +# Test for the NOWAIT option for VACUUM and ANALYZE commands. +# +# This also verifies that log messages are not emitted for skipped relations +# that were not specified in the VACUUM or ANALYZE command. + +setup +{ + CREATE TABLE parted (a INT) PARTITION BY LIST (a); + CREATE TABLE part1 PARTITION OF parted FOR VALUES IN (1); + CREATE TABLE part2 PARTITION OF parted FOR VALUES IN (2); +} + +teardown +{ + DROP TABLE IF EXISTS parted; +} + +session "s1" +step "lock" +{ + BEGIN; + LOCK part1 IN SHARE MODE; +} +step "commit" +{ + COMMIT; +} + +session "s2" +step "vac_specified" { VACUUM (NOWAIT) part1, part2; } +step "vac_all_parts" { VACUUM (NOWAIT) parted; } +step "analyze_specified" { ANALYZE (NOWAIT) part1, part2; } +step "analyze_all_parts" { ANALYZE (NOWAIT) parted; } +step "vac_analyze_specified" { VACUUM (ANALYZE, NOWAIT) part1, part2; } +step "vac_analyze_all_parts" { VACUUM (ANALYZE, NOWAIT) parted; } + +permutation "lock" "vac_specified" "commit" +permutation "lock" "vac_all_parts" "commit" +permutation "lock" "analyze_specified" "commit" +permutation "lock" "analyze_all_parts" "commit" +permutation "lock" "vac_analyze_specified" "commit" +permutation "lock" "vac_analyze_all_parts" "commit" diff --git a/src/test/regress/expected/vacuum.out b/src/test/regress/expected/vacuum.out index 199dda6..99aad21 100644 --- a/src/test/regress/expected/vacuum.out +++ b/src/test/regress/expected/vacuum.out @@ -113,8 +113,11 @@ ERROR: relation "does_not_exist" does not exist ANALYZE vactst (i), vacparted (does_not_exist); ERROR: column "does_not_exist" of relation "vacparted" does not exist -- parenthesized syntax for ANALYZE -ANALYZE (VERBOSE) does_not_exist; +ANALYZE (NOWAIT, VERBOSE) does_not_exist; ERROR: relation "does_not_exist" does not exist +-- nowait option +VACUUM (NOWAIT) vactst; +ANALYZE (NOWAIT) vactst; DROP TABLE vaccluster; DROP TABLE vactst; DROP TABLE vacparted; diff --git a/src/test/regress/sql/vacuum.sql b/src/test/regress/sql/vacuum.sql index e7b7a7f..5e88c68 100644 --- a/src/test/regress/sql/vacuum.sql +++ b/src/test/regress/sql/vacuum.sql @@ -90,7 +90,11 @@ ANALYZE vactst, does_not_exist, vacparted; ANALYZE vactst (i), vacparted (does_not_exist); -- parenthesized syntax for ANALYZE -ANALYZE (VERBOSE) does_not_exist; +ANALYZE (NOWAIT, VERBOSE) does_not_exist; + +-- nowait option +VACUUM (NOWAIT) vactst; +ANALYZE (NOWAIT) vactst; DROP TABLE vaccluster; DROP TABLE vactst;