Function err_generic_string

src/backend/utils/error/elog.c:1588–1617

* err_generic_string -- used to set individual ErrorData string fields * identified by PG_DIAG_xxx codes. * * This intentionally only supports fields that don't use localized strings, * so that there are no translation considerations. * * Most potential callers should not use this directly, but instead prefer * higher-level abstractions, such as errtablecol() (see relcache.c). */

 * higher-level abstractions, such as errtablecol() (see relcache.c).
 */
void
err_generic_string(int field, const char *str)
{
	ErrorData  *edata = &errordata[errordata_stack_depth];

	/* we don't bother incrementing recursion_depth */
	CHECK_STACK_DEPTH();

	switch (field)
	{
		case PG_DIAG_SCHEMA_NAME:
			set_errdata_field(edata->assoc_context, &edata->schema_name, str);
			break;
		case PG_DIAG_TABLE_NAME:
			set_errdata_field(edata->assoc_context, &edata->table_name, str);
			break;
		case PG_DIAG_COLUMN_NAME:
			set_errdata_field(edata->assoc_context, &edata->column_name, str);
			break;
		case PG_DIAG_DATATYPE_NAME:
			set_errdata_field(edata->assoc_context, &edata->datatype_name, str);
			break;
		case PG_DIAG_CONSTRAINT_NAME:
			set_errdata_field(edata->assoc_context, &edata->constraint_name, str);
			break;
		default:
			elog(ERROR, "unsupported ErrorData field id: %d", field);
			break;
	}
}

/*
 * set_errdata_field --- set an ErrorData string field