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postgres/src/backend/parser
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Bruce Momjian 4b2c2850bf
Clean up #include in /include directory. Add scripts for checking includes. 		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 Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
gram.y Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
keywords.c Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
parse_agg.c On second thought, expression_tree_walker should handle bare 27 years ago
parse_clause.c Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
parse_coerce.c Defend against function calls with more than 8 arguments (code 27 years ago
parse_expr.c Ignore resjunk targetlist entries when matching arguments to 27 years ago
parse_func.c Defend against function calls with more than 8 arguments (code 27 years ago
parse_node.c Fix for DEFAULT ''. 27 years ago
parse_oper.c Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
parse_relation.c Clean up #include in /include directory. Add scripts for checking includes. 27 years ago
parse_target.c Defend against function calls with more than 8 arguments (code 27 years ago
parse_type.c Avoid redundant SysCache searches in coerce_type, for another 27 years ago
parser.c pgindent run over code. 27 years ago
scan.l Add ^ precidence. 27 years ago
scansup.c Clean up #include in /include directory. Add scripts for checking includes. 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