pgRouting Manual (2.2)

pgr_getColumnName

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pgr_getColumnName

Name

pgr_getColumnName — Retrieves the name of the column as is stored in the postgres administration tables.

Note

This function is intended for the developer’s aid.

Warning

This function is deprecated in 2.1. Use _pgr_getColumnName instead

Synopsis

Returns a text contining the registered name of the column.

text pgr_getColumnName(tab text, col text);

Description

Parameters

tab:text table name with or without schema component.
col:text column name to be retrived.

Returns

  • text containing the registered name of the column.
  • NULL when :
    • The table “tab” is not found or
    • Column “col” is not found in table “tab” in the postgres administration tables.

History

  • New in version 2.0.0

Examples

SELECT pgr_getColumnName('edge_table','the_geom');

 pgr_iscolumnintable
---------------------
 the_geom
(1 row)

SELECT pgr_getColumnName('edge_table','The_Geom');

 pgr_iscolumnintable
---------------------
 the_geom
(1 row)

The queries use the Sample Data network.

See Also

«  Developers’s Functions   ::   Contents   ::   pgr_getTableName  »