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postgres/src/backend/parser
History
Tom Lane a829cbb877
Give left_oper() and right_oper() noError parameters like oper() (the 		24 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile Scanner performance improvements 24 years ago
README cleanup 28 years ago
analyze.c Second try at fixing join alias variables. Instead of attaching miscellaneous 24 years ago
gram.y Attached is a patch for ALTER TRIGGER RENAME per the above thread. I 24 years ago
keywords.c Make WITHOUT TIME ZONE the default for TIMESTAMP and TIME data types. 24 years ago
parse_agg.c Restructure representation of aggregate functions so that they have pg_proc 24 years ago
parse_clause.c Second try at fixing join alias variables. Instead of attaching miscellaneous 24 years ago
parse_coerce.c Implement types regprocedure, regoper, regoperator, regclass, regtype 24 years ago
parse_expr.c Make ruleutils.c use format_type for printing typenames. Minor tweaks 24 years ago
parse_func.c Restructure representation of aggregate functions so that they have pg_proc 24 years ago
parse_node.c Give left_oper() and right_oper() noError parameters like oper() (the 24 years ago
parse_oper.c Give left_oper() and right_oper() noError parameters like oper() (the 24 years ago
parse_relation.c Second try at fixing join alias variables. Instead of attaching miscellaneous 24 years ago
parse_target.c Restructure representation of aggregate functions so that they have pg_proc 24 years ago
parse_type.c Scanner performance improvements 24 years ago
parser.c Scanner performance improvements 24 years ago
scan.l Improve lexer's error reporting. You get the whole token mentioned now 24 years ago
scansup.c pgindent run on all C files. Java run to follow. initdb/regression 25 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