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[fix](colocate) fix colocate join while multi tables #37729

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Jul 15, 2024
Merged

[fix](colocate) fix colocate join while multi tables #37729

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9 changes: 3 additions & 6 deletions fe/fe-core/src/main/java/org/apache/doris/nereids/util/JoinUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -325,12 +325,9 @@ public static boolean couldColocateJoin(DistributionSpecHash leftHashSpec, Distr

SlotReference leftSlot = (SlotReference) leftChild;
SlotReference rightSlot = (SlotReference) rightChild;
Integer leftIndex = null;
Integer rightIndex = null;
if (leftSlot.getTable().isPresent() && leftSlot.getTable().get().getId() == leftHashSpec.getTableId()) {
leftIndex = leftHashSpec.getExprIdToEquivalenceSet().get(leftSlot.getExprId());
rightIndex = rightHashSpec.getExprIdToEquivalenceSet().get(rightSlot.getExprId());
} else {
Integer leftIndex = leftHashSpec.getExprIdToEquivalenceSet().get(leftSlot.getExprId());
Integer rightIndex = rightHashSpec.getExprIdToEquivalenceSet().get(rightSlot.getExprId());
if (leftIndex == null) {
leftIndex = rightHashSpec.getExprIdToEquivalenceSet().get(leftSlot.getExprId());
rightIndex = leftHashSpec.getExprIdToEquivalenceSet().get(rightSlot.getExprId());
}
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29 changes: 29 additions & 0 deletions regression-test/suites/correctness_p0/test_colocate_join_of_column_order.groovy
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Expand Up @@ -79,4 +79,33 @@ suite("test_colocate_join_of_column_order") {

sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_t1`; """
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_t2`; """

// multi tables
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_ta`; """
sql """
CREATE TABLE IF NOT EXISTS `test_colocate_join_of_column_order_ta` ( `c1` bigint NULL, `c2` bigint NULL)
DISTRIBUTED BY HASH(c1) PROPERTIES ( "replication_num" = "1", "colocate_with" = "group_column_order3");
"""
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_tb`; """
sql """
CREATE TABLE IF NOT EXISTS `test_colocate_join_of_column_order_tb` ( `c1` bigint NULL, `c2` bigint NULL)
DISTRIBUTED BY HASH(c1) PROPERTIES ( "replication_num" = "1", "colocate_with" = "group_column_order3");
"""
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_tc`; """
sql """
CREATE TABLE IF NOT EXISTS `test_colocate_join_of_column_order_tc` ( `c1` bigint NULL, `c2` bigint NULL)
DISTRIBUTED BY HASH(c1) PROPERTIES ( "replication_num" = "1", "colocate_with" = "group_column_order3");
"""
sql """insert into test_colocate_join_of_column_order_ta values(1,1);"""
sql """insert into test_colocate_join_of_column_order_tb values(1,1);"""
sql """insert into test_colocate_join_of_column_order_tc values(1,1);"""

explain {
sql("""select /*+ set_var(disable_join_reorder=true) */ * from test_colocate_join_of_column_order_ta join [shuffle] (select cast((c2 + 1) as bigint) c2 from test_colocate_join_of_column_order_tb) test_colocate_join_of_column_order_tb on test_colocate_join_of_column_order_ta.c1 = test_colocate_join_of_column_order_tb.c2 join [shuffle] test_colocate_join_of_column_order_tc on test_colocate_join_of_column_order_tb.c2 = test_colocate_join_of_column_order_tc.c1;""");
contains "COLOCATE"
}

sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_ta`; """
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_tb`; """
sql """ DROP TABLE IF EXISTS `test_colocate_join_of_column_order_tc`; """
}
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