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postgres/src/backend/parser
History
Tom Lane 78114cd4d4
Further planner/optimizer cleanups. Move all set_tlist_references 		27 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile here are some patches for 6.5.0 which I already submitted but have never 27 years ago
README cleanup 28 years ago
analyze.c Major revision of sort-node handling: push knowledge of query 27 years ago
gram.y Old multi-byte bug. Forgot to rename #ifdef MB to #ifdef MULTIBYTE 27 years ago
keywords.c Move some system includes into c.h, and remove duplicates. 27 years ago
parse_agg.c Major revision of sort-node handling: push knowledge of query 27 years ago
parse_clause.c Major revision of sort-node handling: push knowledge of query 27 years ago
parse_coerce.c Revise parse_coerce() to handle coercion of int and float 27 years ago
parse_expr.c Revise parse_coerce() to handle coercion of int and float 27 years ago
parse_func.c Further planner/optimizer cleanups. Move all set_tlist_references 27 years ago
parse_node.c Further planner/optimizer cleanups. Move all set_tlist_references 27 years ago
parse_oper.c Move some system includes into c.h, and remove duplicates. 27 years ago
parse_relation.c Rewrite parser's handling of INSERT ... SELECT so that processing 27 years ago
parse_target.c Rewrite parser's handling of INSERT ... SELECT so that processing 27 years ago
parse_type.c Revise parse_coerce() to handle coercion of int and float 27 years ago
parser.c Move some system includes into c.h, and remove duplicates. 27 years ago
scan.l Move some system includes into c.h, and remove duplicates. 27 years ago
scansup.c Move some system includes into c.h, and remove duplicates. 27 years ago

README 

This directory does more than tokenize and parse SQL queries.  It also
creates Query structures for the various complex queries that is passed
to the optimizer and then executor.

parser.c	things start here
scan.l		break query into tokens
scansup.c	handle escapes in input
keywords.c	turn keywords into specific tokens
gram.y		parse the tokens and fill query-type-specific structures
analyze.c	handle post-parse processing for each query type
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_coerce.c	used for coercing expressions of different types
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_oper.c	handle operations in expressions
parse_agg.c	handle aggregates, like SUM(col1),  AVG(col2), ...
parse_func.c	handle functions, table.column and column identifiers
parse_node.c	create nodes for various structures
parse_target.c	handle the result list of the query
parse_relation.c support routines for tables and column handling
parse_type.c	support routines for type handling