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Robert Haas 8f9fe6edce Add notion of a "transform function" that can simplify function calls. ... Initially, we use this only to eliminate calls to the varchar() function in cases where the length is not being reduced and, therefore, the function call is equivalent to a RelabelType operation. The most significant effect of this is that we can avoid a table rewrite when changing a varchar(X) column to a varchar(Y) column, where Y > X. Noah Misch, reviewed by me and Alexey Klyukin		15 years ago
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.gitignore	Convert cvsignore to gitignore, and add .gitignore for build targets.	16 years ago
analyze.h	Stamp copyrights for year 2011.	15 years ago
gramparse.h	Stamp copyrights for year 2011.	15 years ago
keywords.h	Stamp copyrights for year 2011.	15 years ago
kwlist.h	Remove 13 keywords that are used only for ROLE options.	15 years ago
parse_agg.h	Revise collation derivation method and expression-tree representation.	15 years ago
parse_clause.h	Add notion of a "transform function" that can simplify function calls.	15 years ago
parse_coerce.h	Revise collation derivation method and expression-tree representation.	15 years ago
parse_collate.h	pgindent run before PG 9.1 beta 1.	15 years ago
parse_cte.h	Stamp copyrights for year 2011.	15 years ago
parse_expr.h	Stamp copyrights for year 2011.	15 years ago
parse_func.h	pgindent run before PG 9.1 beta 1.	15 years ago
parse_node.h	Revise collation derivation method and expression-tree representation.	15 years ago
parse_oper.h	Stamp copyrights for year 2011.	15 years ago
parse_param.h	Stamp copyrights for year 2011.	15 years ago
parse_relation.h	Fix handling of collations in multi-row VALUES constructs.	15 years ago
parse_target.h	Stamp copyrights for year 2011.	15 years ago
parse_type.h	pgindent run before PG 9.1 beta 1.	15 years ago
parse_utilcmd.h	Stamp copyrights for year 2011.	15 years ago
parser.h	pgindent run before PG 9.1 beta 1.	15 years ago
parsetree.h	Per-column collation support	15 years ago
scanner.h	Stamp copyrights for year 2011.	15 years ago
scansup.h	Stamp copyrights for year 2011.	15 years ago