Sets a new column/value pair to the given context ctx. Column, must be a column in the given table's
name setted by #gda_meta_context_set_table () (a table in the <link linkend="information_schema">database
schema</link>). If the given column already exists it's value is overwrited.
Column's name and value is copied and destroyed when #gda_meta_context_free is called.
Sets a new column/value pair to the given context ctx. Column, must be a column in the given table's name setted by #gda_meta_context_set_table () (a table in the <link linkend="information_schema">database schema</link>). If the given column already exists it's value is overwrited.
Column's name and value is copied and destroyed when #gda_meta_context_free is called.