| explain |
| ------------------------------- |
| SELECTION(3) |
| => Search Cond: default.b.n_nationkey (INT4) = 100 |
| JOIN(6)(LEFT_OUTER) |
| => Join Cond: default.a.c_nationkey (INT4) = default.b.n_nationkey (INT4) |
| => target list: default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4) |
| => out schema: {(12) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| => in schema: {(12) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| SCAN(1) on default.nation_multifile as b |
| => target list: default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4) |
| => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| SCAN(0) on default.customer as a |
| => target list: default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT) |
| => out schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| explain |
| ------------------------------- |
| ------------------------------------------------------------------------------- |
| Execution Block Graph (TERMINAL - eb_0000000000000_0000_000004) |
| ------------------------------------------------------------------------------- |
| |-eb_0000000000000_0000_000004 |
| |-eb_0000000000000_0000_000003 |
| |-eb_0000000000000_0000_000002 |
| |-eb_0000000000000_0000_000001 |
| ------------------------------------------------------------------------------- |
| Order of Execution |
| ------------------------------------------------------------------------------- |
| 1: eb_0000000000000_0000_000001 |
| 2: eb_0000000000000_0000_000002 |
| 3: eb_0000000000000_0000_000003 |
| 4: eb_0000000000000_0000_000004 |
| ------------------------------------------------------------------------------- |
| |
| ======================================================= |
| Block Id: eb_0000000000000_0000_000001 [LEAF] |
| ======================================================= |
| |
| [Outgoing] |
| [q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32) |
| |
| SCAN(0) on default.customer as a |
| => target list: default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT) |
| => out schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| |
| ======================================================= |
| Block Id: eb_0000000000000_0000_000002 [LEAF] |
| ======================================================= |
| |
| [Outgoing] |
| [q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.n_nationkey (INT4), num=32) |
| |
| SCAN(1) on default.nation_multifile as b |
| => target list: default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4) |
| => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| |
| ======================================================= |
| Block Id: eb_0000000000000_0000_000003 [ROOT] |
| ======================================================= |
| |
| [Incoming] |
| [q_0000000000000_0000] 1 => 3 (type=HASH_SHUFFLE, key=default.a.c_nationkey (INT4), num=32) |
| [q_0000000000000_0000] 2 => 3 (type=HASH_SHUFFLE, key=default.b.n_nationkey (INT4), num=32) |
| |
| SELECTION(3) |
| => Search Cond: default.b.n_nationkey (INT4) = 100 |
| JOIN(6)(LEFT_OUTER) |
| => Join Cond: default.a.c_nationkey (INT4) = default.b.n_nationkey (INT4) |
| => target list: default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4) |
| => out schema: {(12) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| => in schema: {(12) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT), default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| SCAN(9) on eb_0000000000000_0000_000002 |
| => out schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| => in schema: {(4) default.b.n_comment (TEXT), default.b.n_name (TEXT), default.b.n_nationkey (INT4), default.b.n_regionkey (INT4)} |
| SCAN(8) on eb_0000000000000_0000_000001 |
| => out schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| => in schema: {(8) default.a.c_acctbal (FLOAT8), default.a.c_address (TEXT), default.a.c_comment (TEXT), default.a.c_custkey (INT4), default.a.c_mktsegment (TEXT), default.a.c_name (TEXT), default.a.c_nationkey (INT4), default.a.c_phone (TEXT)} |
| |
| ======================================================= |
| Block Id: eb_0000000000000_0000_000004 [TERMINAL] |
| ======================================================= |