diff options
Diffstat (limited to 'src/backend/parser/gram.y')
| -rw-r--r-- | src/backend/parser/gram.y | 188 |
1 files changed, 177 insertions, 11 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 39a801a1c38..c247eefb0cc 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -653,10 +653,19 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); json_returning_clause_opt json_name_and_value json_aggregate_func + json_argument + json_behavior + json_on_error_clause_opt %type <list> json_name_and_value_list json_value_expr_list json_array_aggregate_order_by_clause_opt -%type <ival> json_predicate_type_constraint + json_arguments + json_behavior_clause_opt + json_passing_clause_opt +%type <ival> json_behavior_type + json_predicate_type_constraint + json_quotes_clause_opt + json_wrapper_behavior %type <boolean> json_key_uniqueness_constraint_opt json_object_constructor_null_clause_opt json_array_constructor_null_clause_opt @@ -697,7 +706,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); CACHE CALL CALLED CASCADE CASCADED CASE CAST CATALOG_P CHAIN CHAR_P CHARACTER CHARACTERISTICS CHECK CHECKPOINT CLASS CLOSE CLUSTER COALESCE COLLATE COLLATION COLUMN COLUMNS COMMENT COMMENTS COMMIT - COMMITTED COMPRESSION CONCURRENTLY CONFIGURATION CONFLICT + COMMITTED COMPRESSION CONCURRENTLY CONDITIONAL CONFIGURATION CONFLICT CONNECTION CONSTRAINT CONSTRAINTS CONTENT_P CONTINUE_P CONVERSION_P COPY COST CREATE CROSS CSV CUBE CURRENT_P CURRENT_CATALOG CURRENT_DATE CURRENT_ROLE CURRENT_SCHEMA @@ -708,8 +717,8 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); DETACH DICTIONARY DISABLE_P DISCARD DISTINCT DO DOCUMENT_P DOMAIN_P DOUBLE_P DROP - EACH ELSE ENABLE_P ENCODING ENCRYPTED END_P ENUM_P ESCAPE EVENT EXCEPT - EXCLUDE EXCLUDING EXCLUSIVE EXECUTE EXISTS EXPLAIN EXPRESSION + EACH ELSE EMPTY_P ENABLE_P ENCODING ENCRYPTED END_P ENUM_P ERROR_P ESCAPE + EVENT EXCEPT EXCLUDE EXCLUDING EXCLUSIVE EXECUTE EXISTS EXPLAIN EXPRESSION EXTENSION EXTERNAL EXTRACT FALSE_P FAMILY FETCH FILTER FINALIZE FIRST_P FLOAT_P FOLLOWING FOR @@ -724,10 +733,10 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); INNER_P INOUT INPUT_P INSENSITIVE INSERT INSTEAD INT_P INTEGER INTERSECT INTERVAL INTO INVOKER IS ISNULL ISOLATION - JOIN JSON JSON_ARRAY JSON_ARRAYAGG JSON_OBJECT JSON_OBJECTAGG - JSON_SCALAR JSON_SERIALIZE + JOIN JSON JSON_ARRAY JSON_ARRAYAGG JSON_EXISTS JSON_OBJECT JSON_OBJECTAGG + JSON_QUERY JSON_SCALAR JSON_SERIALIZE JSON_VALUE - KEY KEYS + KEEP KEY KEYS LABEL LANGUAGE LARGE_P LAST_P LATERAL_P LEADING LEAKPROOF LEAST LEFT LEVEL LIKE LIMIT LISTEN LOAD LOCAL @@ -741,7 +750,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); NOT NOTHING NOTIFY NOTNULL NOWAIT NULL_P NULLIF NULLS_P NUMERIC - OBJECT_P OF OFF OFFSET OIDS OLD ON ONLY OPERATOR OPTION OPTIONS OR + OBJECT_P OF OFF OFFSET OIDS OLD OMIT ON ONLY OPERATOR OPTION OPTIONS OR ORDER ORDINALITY OTHERS OUT_P OUTER_P OVER OVERLAPS OVERLAY OVERRIDING OWNED OWNER @@ -750,7 +759,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); POSITION PRECEDING PRECISION PRESERVE PREPARE PREPARED PRIMARY PRIOR PRIVILEGES PROCEDURAL PROCEDURE PROCEDURES PROGRAM PUBLICATION - QUOTE + QUOTE QUOTES RANGE READ REAL REASSIGN RECHECK RECURSIVE REF_P REFERENCES REFERENCING REFRESH REINDEX RELATIVE_P RELEASE RENAME REPEATABLE REPLACE REPLICA @@ -761,7 +770,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); SEQUENCE SEQUENCES SERIALIZABLE SERVER SESSION SESSION_USER SET SETS SETOF SHARE SHOW SIMILAR SIMPLE SKIP SMALLINT SNAPSHOT SOME SQL_P STABLE STANDALONE_P - START STATEMENT STATISTICS STDIN STDOUT STORAGE STORED STRICT_P STRIP_P + START STATEMENT STATISTICS STDIN STDOUT STORAGE STORED STRICT_P STRING_P STRIP_P SUBSCRIPTION SUBSTRING SUPPORT SYMMETRIC SYSID SYSTEM_P SYSTEM_USER TABLE TABLES TABLESAMPLE TABLESPACE TEMP TEMPLATE TEMPORARY TEXT_P THEN @@ -769,7 +778,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query); TREAT TRIGGER TRIM TRUE_P TRUNCATE TRUSTED TYPE_P TYPES_P - UESCAPE UNBOUNDED UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN + UESCAPE UNBOUNDED UNCONDITIONAL UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNLOGGED UNTIL UPDATE USER USING VACUUM VALID VALIDATE VALIDATOR VALUE_P VALUES VARCHAR VARIADIC VARYING @@ -15805,6 +15814,62 @@ func_expr_common_subexpr: m->location = @1; $$ = (Node *) m; } + | JSON_QUERY '(' + json_value_expr ',' a_expr json_passing_clause_opt + json_returning_clause_opt + json_wrapper_behavior + json_quotes_clause_opt + json_behavior_clause_opt + ')' + { + JsonFuncExpr *n = makeNode(JsonFuncExpr); + + n->op = JSON_QUERY_OP; + n->context_item = (JsonValueExpr *) $3; + n->pathspec = $5; + n->passing = $6; + n->output = (JsonOutput *) $7; + n->wrapper = $8; + n->quotes = $9; + n->on_empty = (JsonBehavior *) linitial($10); + n->on_error = (JsonBehavior *) lsecond($10); + n->location = @1; + $$ = (Node *) n; + } + | JSON_EXISTS '(' + json_value_expr ',' a_expr json_passing_clause_opt + json_on_error_clause_opt + ')' + { + JsonFuncExpr *n = makeNode(JsonFuncExpr); + + n->op = JSON_EXISTS_OP; + n->context_item = (JsonValueExpr *) $3; + n->pathspec = $5; + n->passing = $6; + n->output = NULL; + n->on_error = (JsonBehavior *) $7; + n->location = @1; + $$ = (Node *) n; + } + | JSON_VALUE '(' + json_value_expr ',' a_expr json_passing_clause_opt + json_returning_clause_opt + json_behavior_clause_opt + ')' + { + JsonFuncExpr *n = makeNode(JsonFuncExpr); + + n->op = JSON_VALUE_OP; + n->context_item = (JsonValueExpr *) $3; + n->pathspec = $5; + n->passing = $6; + n->output = (JsonOutput *) $7; + n->on_empty = (JsonBehavior *) linitial($8); + n->on_error = (JsonBehavior *) lsecond($8); + n->location = @1; + $$ = (Node *) n; + } ; @@ -16531,6 +16596,77 @@ opt_asymmetric: ASYMMETRIC ; /* SQL/JSON support */ +json_passing_clause_opt: + PASSING json_arguments { $$ = $2; } + | /*EMPTY*/ { $$ = NIL; } + ; + +json_arguments: + json_argument { $$ = list_make1($1); } + | json_arguments ',' json_argument { $$ = lappend($1, $3); } + ; + +json_argument: + json_value_expr AS ColLabel + { + JsonArgument *n = makeNode(JsonArgument); + + n->val = (JsonValueExpr *) $1; + n->name = $3; + $$ = (Node *) n; + } + ; + +/* ARRAY is a noise word */ +json_wrapper_behavior: + WITHOUT WRAPPER { $$ = JSW_NONE; } + | WITHOUT ARRAY WRAPPER { $$ = JSW_NONE; } + | WITH WRAPPER { $$ = JSW_UNCONDITIONAL; } + | WITH ARRAY WRAPPER { $$ = JSW_UNCONDITIONAL; } + | WITH CONDITIONAL ARRAY WRAPPER { $$ = JSW_CONDITIONAL; } + | WITH UNCONDITIONAL ARRAY WRAPPER { $$ = JSW_UNCONDITIONAL; } + | WITH CONDITIONAL WRAPPER { $$ = JSW_CONDITIONAL; } + | WITH UNCONDITIONAL WRAPPER { $$ = JSW_UNCONDITIONAL; } + | /* empty */ { $$ = JSW_UNSPEC; } + ; + +json_behavior: + DEFAULT a_expr + { $$ = (Node *) makeJsonBehavior(JSON_BEHAVIOR_DEFAULT, $2, @1); } + | json_behavior_type + { $$ = (Node *) makeJsonBehavior($1, NULL, @1); } + ; + +json_behavior_type: + ERROR_P { $$ = JSON_BEHAVIOR_ERROR; } + | NULL_P { $$ = JSON_BEHAVIOR_NULL; } + | TRUE_P { $$ = JSON_BEHAVIOR_TRUE; } + | FALSE_P { $$ = JSON_BEHAVIOR_FALSE; } + | UNKNOWN { $$ = JSON_BEHAVIOR_UNKNOWN; } + | EMPTY_P ARRAY { $$ = JSON_BEHAVIOR_EMPTY_ARRAY; } + | EMPTY_P OBJECT_P { $$ = JSON_BEHAVIOR_EMPTY_OBJECT; } + /* non-standard, for Oracle compatibility only */ + | EMPTY_P { $$ = JSON_BEHAVIOR_EMPTY_ARRAY; } + ; + +json_behavior_clause_opt: + json_behavior ON EMPTY_P + { $$ = list_make2($1, NULL); } + | json_behavior ON ERROR_P + { $$ = list_make2(NULL, $1); } + | json_behavior ON EMPTY_P json_behavior ON ERROR_P + { $$ = list_make2($1, $4); } + | /* EMPTY */ + { $$ = list_make2(NULL, NULL); } + ; + +json_on_error_clause_opt: + json_behavior ON ERROR_P + { $$ = $1; } + | /* EMPTY */ + { $$ = NULL; } + ; + json_value_expr: a_expr json_format_clause_opt { @@ -16575,6 +16711,14 @@ json_format_clause_opt: } ; +json_quotes_clause_opt: + KEEP QUOTES ON SCALAR STRING_P { $$ = JS_QUOTES_KEEP; } + | KEEP QUOTES { $$ = JS_QUOTES_KEEP; } + | OMIT QUOTES ON SCALAR STRING_P { $$ = JS_QUOTES_OMIT; } + | OMIT QUOTES { $$ = JS_QUOTES_OMIT; } + | /* EMPTY */ { $$ = JS_QUOTES_UNSPEC; } + ; + json_returning_clause_opt: RETURNING Typename json_format_clause_opt { @@ -17191,6 +17335,7 @@ unreserved_keyword: | COMMIT | COMMITTED | COMPRESSION + | CONDITIONAL | CONFIGURATION | CONFLICT | CONNECTION @@ -17227,10 +17372,12 @@ unreserved_keyword: | DOUBLE_P | DROP | EACH + | EMPTY_P | ENABLE_P | ENCODING | ENCRYPTED | ENUM_P + | ERROR_P | ESCAPE | EVENT | EXCLUDE @@ -17280,6 +17427,7 @@ unreserved_keyword: | INSTEAD | INVOKER | ISOLATION + | KEEP | KEY | KEYS | LABEL @@ -17326,6 +17474,7 @@ unreserved_keyword: | OFF | OIDS | OLD + | OMIT | OPERATOR | OPTION | OPTIONS @@ -17356,6 +17505,7 @@ unreserved_keyword: | PROGRAM | PUBLICATION | QUOTE + | QUOTES | RANGE | READ | REASSIGN @@ -17415,6 +17565,7 @@ unreserved_keyword: | STORAGE | STORED | STRICT_P + | STRING_P | STRIP_P | SUBSCRIPTION | SUPPORT @@ -17437,6 +17588,7 @@ unreserved_keyword: | UESCAPE | UNBOUNDED | UNCOMMITTED + | UNCONDITIONAL | UNENCRYPTED | UNKNOWN | UNLISTEN @@ -17497,10 +17649,13 @@ col_name_keyword: | JSON | JSON_ARRAY | JSON_ARRAYAGG + | JSON_EXISTS | JSON_OBJECT | JSON_OBJECTAGG + | JSON_QUERY | JSON_SCALAR | JSON_SERIALIZE + | JSON_VALUE | LEAST | MERGE_ACTION | NATIONAL @@ -17734,6 +17889,7 @@ bare_label_keyword: | COMMITTED | COMPRESSION | CONCURRENTLY + | CONDITIONAL | CONFIGURATION | CONFLICT | CONNECTION @@ -17786,11 +17942,13 @@ bare_label_keyword: | DROP | EACH | ELSE + | EMPTY_P | ENABLE_P | ENCODING | ENCRYPTED | END_P | ENUM_P + | ERROR_P | ESCAPE | EVENT | EXCLUDE @@ -17860,10 +18018,14 @@ bare_label_keyword: | JSON | JSON_ARRAY | JSON_ARRAYAGG + | JSON_EXISTS | JSON_OBJECT | JSON_OBJECTAGG + | JSON_QUERY | JSON_SCALAR | JSON_SERIALIZE + | JSON_VALUE + | KEEP | KEY | KEYS | LABEL @@ -17925,6 +18087,7 @@ bare_label_keyword: | OFF | OIDS | OLD + | OMIT | ONLY | OPERATOR | OPTION @@ -17962,6 +18125,7 @@ bare_label_keyword: | PROGRAM | PUBLICATION | QUOTE + | QUOTES | RANGE | READ | REAL @@ -18030,6 +18194,7 @@ bare_label_keyword: | STORAGE | STORED | STRICT_P + | STRING_P | STRIP_P | SUBSCRIPTION | SUBSTRING @@ -18064,6 +18229,7 @@ bare_label_keyword: | UESCAPE | UNBOUNDED | UNCOMMITTED + | UNCONDITIONAL | UNENCRYPTED | UNIQUE | UNKNOWN |