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Add SQL Standard WITH ORDINALITY support for UNNEST (and any other SRF)

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Author: Andrew Gierth, David Fetter
Reviewers: Dean Rasheed, Jeevan Chalke, Stephen Frost
This commit is contained in:
Greg Stark
2013-07-29 16:38:01 +01:00
parent 55cbfa5366
commit c62736cc37
22 changed files with 1486 additions and 323 deletions
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5
src/backend/parser/parser.c
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@ -133,7 +133,7 @@ base_yylex(YYSTYPE *lvalp, YYLTYPE *llocp, core_yyscan_t yyscanner)
case WITH:
/*
* WITH TIME must be reduced to one token
* WITH TIME and WITH ORDINALITY must each be reduced to one token
*/
cur_yylval = lvalp->core_yystype;
cur_yylloc = *llocp;
@ -143,6 +143,9 @@ base_yylex(YYSTYPE *lvalp, YYLTYPE *llocp, core_yyscan_t yyscanner)
case TIME:
cur_token = WITH_TIME;
break;
case ORDINALITY:
cur_token = WITH_ORDINALITY;
break;
default:
/* save the lookahead token for next time */
yyextra->lookahead_token = next_token;