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PolarDB:USER_PART_TABLES

Last Updated:Mar 28, 2026

USER_PART_TABLES displays partitioning metadata for all partitioned tables owned by the current user.

Columns

ColumnTypeDescription
schema_nameTEXTThe schema that contains the table.
table_nameTEXTThe name of the partitioned table.
partitioning_typeTEXTThe partitioning method.
subpartitioning_typeTEXTThe subpartitioning method.
partition_countBIGINTThe number of partitions in the table.
def_subpartition_countINTEGERThe number of subpartitions in the table.
partitioning_key_countINTEGERThe number of partition key columns.
subpartitioning_key_countINTEGERThe number of subpartition key columns.
statusCHARACTER VARYING(8)Provided for compatibility only. Always VALID.
def_tablespace_nameCHARACTER VARYING(30)Provided for compatibility only. Always NULL.
def_pct_freeNUMERICProvided for compatibility only. Always NULL.
def_pct_usedNUMERICProvided for compatibility only. Always NULL.
def_ini_transNUMERICProvided for compatibility only. Always NULL.
def_max_transNUMERICProvided for compatibility only. Always NULL.
def_initial_extentCHARACTER VARYING(40)Provided for compatibility only. Always NULL.
def_min_extentsCHARACTER VARYING(40)Provided for compatibility only. Always NULL.
def_max_extentsCHARACTER VARYING(40)Provided for compatibility only. Always NULL.
def_pct_increaseCHARACTER VARYING(40)Provided for compatibility only. Always NULL.
def_freelistsNUMERICProvided for compatibility only. Always NULL.
def_freelist_groupsNUMERICProvided for compatibility only. Always NULL.
def_loggingCHARACTER VARYING(7)Provided for compatibility only. Always YES.
def_compressionCHARACTER VARYING(8)Provided for compatibility only. Always NONE.
def_buffer_poolCHARACTER VARYING(7)Provided for compatibility only. Always DEFAULT.
ref_ptn_constraint_nameCHARACTER VARYING(30)Provided for compatibility only. Always NULL.
intervalCHARACTER VARYING(1000)Provided for compatibility only. Always NULL.