alter_text_search_configuration.7 - Online Linux Manual Page

.\" auto-generated by docbook2man-spec $Revision: 1.1.1.1 $ ALTER TEXT SEARCH CONFIGURATION - Online Linux Manual PageSection : 7
Updated : 2014-02-17
Source : SQL - Language Statements
Note : SQL Commands

NAMEALTER TEXT SEARCH CONFIGURATION − change the definition of a text search configuration

SYNOPSISALTER TEXT SEARCH CONFIGURATION name ADD MAPPING FOR token_type [, ... ] WITH dictionary_name [, ... ] ALTER TEXT SEARCH CONFIGURATION name ALTER MAPPING FOR token_type [, ... ] WITH dictionary_name [, ... ] ALTER TEXT SEARCH CONFIGURATION name ALTER MAPPING REPLACE old_dictionary WITH new_dictionary ALTER TEXT SEARCH CONFIGURATION name ALTER MAPPING FOR token_type [, ... ] REPLACE old_dictionary WITH new_dictionary ALTER TEXT SEARCH CONFIGURATION name DROP MAPPING [ IF EXISTS ] FOR token_type [, ... ] ALTER TEXT SEARCH CONFIGURATION name RENAME TO newname ALTER TEXT SEARCH CONFIGURATION name OWNER TO newowner

DESCRIPTIONALTER TEXT SEARCH CONFIGURATION changes the definition of a text search configuration. You can modify its mappings from token types to dictionaries, or change the configuration's name or owner. You must be the owner of the configuration to use ALTER TEXT SEARCH CONFIGURATION.

PARAMETERSname The name (optionally schema-qualified) of an existing text search configuration. token_type The name of a token type that is emitted by the configuration's parser. dictionary_name The name of a text search dictionary to be consulted for the specified token type(s). If multiple dictionaries are listed, they are consulted in the specified order. old_dictionary The name of a text search dictionary to be replaced in the mapping. new_dictionary The name of a text search dictionary to be substituted for old_dictionary. newname The new name of the text search configuration. newowner The new owner of the text search configuration. The ADD MAPPING FOR form installs a list of dictionaries to be consulted for the specified token type(s); it is an error if there is already a mapping for any of the token types. The ALTER MAPPING FOR form does the same, but first removing any existing mapping for those token types. The ALTER MAPPING REPLACE forms substitute new_dictionary for old_dictionary anywhere the latter appears. This is done for only the specified token types when FOR appears, or for all mappings of the configuration when it doesn't. The DROP MAPPING form removes all dictionaries for the specified token type(s), causing tokens of those types to be ignored by the text search configuration. It is an error if there is no mapping for the token types, unless IF EXISTS appears.

EXAMPLESThe following example replaces the english dictionary with the swedish dictionary anywhere that english is used within my_config. ALTER TEXT SEARCH CONFIGURATION my_config ALTER MAPPING REPLACE english WITH swedish;

COMPATIBILITYThere is no ALTER TEXT SEARCH CONFIGURATION statement in the SQL standard.

SEE ALSOCREATE TEXT SEARCH CONFIGURATION [create_text_search_configuration(7)], DROP TEXT SEARCH CONFIGURATION [drop_text_search_configuration(7)] 0

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