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postgres/src/backend/parser
History
Tom Lane 31a0f1d33b
Fix oversight in check_ungrouped_columns optimization that avoids 		22 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile $Header: -> $PostgreSQL Changes ... 22 years ago
README cleanup 28 years ago
analyze.c Fix a minor bug introduced by the recent CREATE TABLE AS / WITH OIDS 22 years ago
gram.y Add CREATE TRIGGER, CREATE INDEX, and CREATE SEQUENCE to the list of 22 years ago
keywords.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_agg.c Fix oversight in check_ungrouped_columns optimization that avoids 22 years ago
parse_clause.c Fix a minor bug introduced by the recent CREATE TABLE AS / WITH OIDS 22 years ago
parse_coerce.c Reorder tests in parse_coerce so that ANY/ANYELEMENT/ANYARRAY coercion 22 years ago
parse_expr.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_func.c More janitorial work: remove the explicit casting of NULL literals to a 22 years ago
parse_node.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_oper.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_relation.c Fix permission-checking bug reported by Tim Burgess 10-Feb-03 (this time 22 years ago
parse_target.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_type.c $Header: -> $PostgreSQL Changes ... 22 years ago
parser.c $Header: -> $PostgreSQL Changes ... 22 years ago
scan.l $Header: -> $PostgreSQL Changes ... 22 years ago
scansup.c $Header: -> $PostgreSQL Changes ... 22 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