5d3fcc4c2e
Generally, the parse location assigned to a multiple-token construct is the location of its leftmost token. This commit breaks that rule for the syntaxes TYPENAME 'LITERAL' and CAST(CONSTANT AS TYPENAME) --- the resulting Const will have the location of the literal string, not the typename or CAST keyword. The cases where this matters are pretty thin on the ground (no error messages in the regression tests change, for example), and it's unlikely that any user would be confused anyway by an error cursor pointing at the literal. But still it's less than consistent. The reason for changing it is that contrib/pg_stat_statements wants to know the parse location of the original literal, and it was agreed that this is the least unpleasant way to preserve that information through parse analysis. Peter Geoghegan
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Changes between all PostgreSQL releases are recorded in the file HISTORY. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.