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postgres/src/backend/parser
History
Tom Lane 147d4bf3e5
Modify all callers of datatype input and receive functions so that if these 		20 years ago
..
.cvsignore
…
Makefile Remove the stub support we had for UNION JOIN; per discussion, this is 20 years ago
README
…
analyze.c Add error location info to ResTarget parse nodes. Allows error cursor to be supplied 20 years ago
gram.y Add error location info to ResTarget parse nodes. Allows error cursor to be supplied 20 years ago
keywords.c Update copyright for 2006. Update scripts. 20 years ago
parse_agg.c Update copyright for 2006. Update scripts. 20 years ago
parse_clause.c Clean up representation of function RTEs for functions returning RECORD. 20 years ago
parse_coerce.c Modify all callers of datatype input and receive functions so that if these 20 years ago
parse_expr.c Improve parser so that we can show an error cursor position for errors 20 years ago
parse_func.c Improve parser so that we can show an error cursor position for errors 20 years ago
parse_node.c Improve parser so that we can show an error cursor position for errors 20 years ago
parse_oper.c Improve parser so that we can show an error cursor position for errors 20 years ago
parse_relation.c Add error location info to ResTarget parse nodes. Allows error cursor to be supplied 20 years ago
parse_target.c Add error location info to ResTarget parse nodes. Allows error cursor to be supplied 20 years ago
parse_type.c Modify all callers of datatype input and receive functions so that if these 20 years ago
parser.c Remove the stub support we had for UNION JOIN; per discussion, this is 20 years ago
scan.l Improve parser so that we can show an error cursor position for errors 20 years ago
scansup.c Update copyright for 2006. Update scripts. 20 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