Yeah, we should probably go with the de facto standard. But a bigger question is: what would this command do? Calcite has nowhere to store statistics currently. Are people asking for this just so they have a template that they can copy-paste into their own Calcite-based project?
Julian > On Sep 20, 2018, at 11:25 AM, Gautam Parai <gpa...@mapr.com> wrote: > > Oracle no longer recommends using ANALYZE TABLE except for certain cases > and for preserving backwards compatibility. Instead, they now have a > DBMS_STATS package with several methods for collecting statistics. [1] > > ALTER TABLE is usually associated with DDLs. If several projects/vendors > already use ANALYZE for gathering statistics it may still be worthwhile > since a majority of folks would be familiar with it? > > [1] > https://docs.oracle.com/cd/B28359_01/server.111/b28310/general002.htm#ADMIN11524 > > <https://docs.oracle.com/cd/B28359_01/server.111/b28310/general002.htm#ADMIN11524> > > Gautam > > On Thu, Sep 20, 2018 at 11:14 AM Julian Hyde <jh...@apache.org > <mailto:jh...@apache.org>> wrote: > >> I can’t believe that Microsoft’s command is “UPDATE STATISTICS”. >> Especially considering STATISTICS is not an ISO reserved word, so some >> folks might actually have a table called STATISTICS. >> >> In every other database, UPDATE STATISTICS would be a DML command. >> >>> On Sep 20, 2018, at 11:07 AM, Julian Hyde <jh...@apache.org> wrote: >>> >>> The Babel parser doesn’t really do DDL (because there is too much >> variation among dialects). >>> >>> The “server” parser might be a better place for this. It has a few, >> Calcite-specific DDL statements. It could have ANALYZE too. >>> >>> In my opinion, Oracle made a mistake when they introduced ANALYE TABLE. >> A "ALTER TABLE … COMPUTE STATISTICS” command makes just as much sense. >>> >>> Julian >>> >>> >>>> On Sep 20, 2018, at 7:18 AM, Vitalii Diravka <vita...@apache.org> >> wrote: >>>> >>>> ANALYZE TABLE statement is commonly used by different SQL engines for >>>> collecting table statistics: PostgeSQL [1], MySQL [2], ORACLE [3], >>>> Microsoft Transact-SQL - UPDATE STATISTICS - [4], SPARK SQL [5], Hive >> [6]. >>>> But I didn't find ANALYZE TABLE statement in SQL specification. >>>> >>>> Is there any sense to add it to Calcite (for instance for query >>>> validation)? >>>> Or maybe it can be part of the "babel" parser? If so what dialect >> should be >>>> selected? >>>> >>>> [1] >> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.postgresql.org_docs_8.1_static_sql-2Danalyze.html&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=LJ-hvGyGPSMjPWwJqlJTMhosJXRswUIChATBjl_7o8o&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.postgresql.org_docs_8.1_static_sql-2Danalyze.html&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=LJ-hvGyGPSMjPWwJqlJTMhosJXRswUIChATBjl_7o8o&e=> >>>> [2] >> https://urldefense.proofpoint.com/v2/url?u=https-3A__dev.mysql.com_doc_refman_8.0_en_analyze-2Dtable.html&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=_40GURZMv45K-ZjtBniCfnQbaEUViMyxSA-yCiLYcNg&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__dev.mysql.com_doc_refman_8.0_en_analyze-2Dtable.html&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=_40GURZMv45K-ZjtBniCfnQbaEUViMyxSA-yCiLYcNg&e=> >>>> [3] >>>> >> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.oracle.com_cd_B28359-5F01_server.111_b28310_general002.htm-23ADMIN11524&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=3AIm_d-iuwx6hmdr0gw0Q_PgmgRA3cB5dsHcPof_aCU&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.oracle.com_cd_B28359-5F01_server.111_b28310_general002.htm-23ADMIN11524&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=3AIm_d-iuwx6hmdr0gw0Q_PgmgRA3cB5dsHcPof_aCU&e=> >>>> [4] >>>> >> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.microsoft.com_en-2Dus_sql_t-2Dsql_statements_update-2Dstatistics-2Dtransact-2Dsql-3Fview-3Dsql-2Dserver-2D2017&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=AqyCkawUMy5vdNCs9WTVh5djUMK9ZwDMT36BjVRaATw&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.microsoft.com_en-2Dus_sql_t-2Dsql_statements_update-2Dstatistics-2Dtransact-2Dsql-3Fview-3Dsql-2Dserver-2D2017&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=AqyCkawUMy5vdNCs9WTVh5djUMK9ZwDMT36BjVRaATw&e=> >>>> [5] >>>> >> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.microsoft.com_en-2Dus_sql_t-2Dsql_statements_update-2Dstatistics-2Dtransact-2Dsql-3Fview-3Dsql-2Dserver-2D2017&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=AqyCkawUMy5vdNCs9WTVh5djUMK9ZwDMT36BjVRaATw&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.microsoft.com_en-2Dus_sql_t-2Dsql_statements_update-2Dstatistics-2Dtransact-2Dsql-3Fview-3Dsql-2Dserver-2D2017&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=AqyCkawUMy5vdNCs9WTVh5djUMK9ZwDMT36BjVRaATw&e=> >>>> [6] >>>> >> https://urldefense.proofpoint.com/v2/url?u=https-3A__cwiki.apache.org_confluence_display_Hive_StatsDev-23StatsDev-2DANALYZETABLE-253Ctable1-253ECACHEMETADATA&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=pirNl3Hrz27jJFDJQQO6p3O7PAOOvLe0HPw-EPuPEDQ&e= >> >> <https://urldefense.proofpoint.com/v2/url?u=https-3A__cwiki.apache.org_confluence_display_Hive_StatsDev-23StatsDev-2DANALYZETABLE-253Ctable1-253ECACHEMETADATA&d=DwIFaQ&c=cskdkSMqhcnjZxdQVpwTXg&r=sNneUV1qeI9SCmBsUtXeUfboyubppHxYtOoUl6KCGdI&m=PkqrIAegua3OOSuznxIeNaCL0IDLXgeaKRGxKADXRoE&s=pirNl3Hrz27jJFDJQQO6p3O7PAOOvLe0HPw-EPuPEDQ&e=>
