Examples with UNBOUNDED_FOLLOWING io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING used on opensource projects

Example 1 with UNBOUNDED_FOLLOWING

use of io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING in project trino by trinodb.

the class TestLogicalPlanner method testDoNotPlanUnreferencedRowPatternMeasures.

@Test
public void testDoNotPlanUnreferencedRowPatternMeasures() {
    // row pattern measure `label` is not referenced
    assertPlan("SELECT val OVER w " + "          FROM (VALUES (1, 90)) t(id, value) " + "          WINDOW w AS ( " + "                   ORDER BY id " + "                   MEASURES " + "                            RUNNING LAST(value) AS val, " + "                            CLASSIFIER() AS label " + "                   ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING " + "                   PATTERN (A+) " + "                   DEFINE A AS true " + "          )", output(project(patternRecognition(builder -> builder.specification(specification(ImmutableList.of(), ImmutableList.of("id"), ImmutableMap.of("id", ASC_NULLS_LAST))).addMeasure("val", "LAST(value)", INTEGER).rowsPerMatch(WINDOW).frame(windowFrame(ROWS, CURRENT_ROW, Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty())).pattern(new IrQuantified(new IrLabel("A"), oneOrMore(true))).addVariableDefinition(new IrLabel("A"), "true"), values(ImmutableList.of("id", "value"), ImmutableList.of(ImmutableList.of(new LongLiteral("1"), new LongLiteral("90"))))))));
    // row pattern measure `label` is not referenced
    assertPlan("SELECT min(value) OVER w " + "          FROM (VALUES (1, 90)) t(id, value) " + "          WINDOW w AS ( " + "                   ORDER BY id " + "                   MEASURES CLASSIFIER() AS label " + "                   ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING " + "                   PATTERN (A+) " + "                   DEFINE A AS true " + "          )", output(project(patternRecognition(builder -> builder.specification(specification(ImmutableList.of(), ImmutableList.of("id"), ImmutableMap.of("id", ASC_NULLS_LAST))).addFunction("min", functionCall("min", ImmutableList.of("value"))).rowsPerMatch(WINDOW).frame(windowFrame(ROWS, CURRENT_ROW, Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty())).pattern(new IrQuantified(new IrLabel("A"), oneOrMore(true))).addVariableDefinition(new IrLabel("A"), "true"), values(ImmutableList.of("id", "value"), ImmutableList.of(ImmutableList.of(new LongLiteral("1"), new LongLiteral("90"))))))));
}

Example 2 with UNBOUNDED_FOLLOWING

use of io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING in project trino by trinodb.

the class TestPrunePattenRecognitionColumns method testPruneUnreferencedWindowFunctionAndSources.

@Test
public void testPruneUnreferencedWindowFunctionAndSources() {
    ResolvedFunction lag = createTestMetadataManager().resolveFunction(tester().getSession(), QualifiedName.of("lag"), fromTypes(BIGINT));
    // remove window function "lag" and input symbol "b" used only by that function
    tester().assertThat(new PrunePattenRecognitionColumns()).on(p -> p.project(Assignments.identity(p.symbol("measure")), p.patternRecognition(builder -> builder.addWindowFunction(p.symbol("lag"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("b").toSymbolReference()), DEFAULT_FRAME, false)).addMeasure(p.symbol("measure"), "LAST(X.a)", BIGINT).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).skipTo(NEXT).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"), p.symbol("b")))))).matches(strictProject(ImmutableMap.of("measure", expression("measure")), patternRecognition(builder -> builder.addMeasure("measure", "LAST(X.a)", BIGINT).rowsPerMatch(WINDOW).frame(windowFrame(ROWS, CURRENT_ROW, Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty())).skipTo(NEXT).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true"), strictProject(ImmutableMap.of("a", expression("a")), values("a", "b")))));
}

Example 3 with UNBOUNDED_FOLLOWING

use of io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING in project trino by trinodb.

the class TestPrunePattenRecognitionColumns method testPruneUnreferencedMeasureAndSources.

@Test
public void testPruneUnreferencedMeasureAndSources() {
    ResolvedFunction lag = createTestMetadataManager().resolveFunction(tester().getSession(), QualifiedName.of("lag"), fromTypes(BIGINT));
    // remove row pattern measure "measure" and input symbol "a" used only by that measure
    tester().assertThat(new PrunePattenRecognitionColumns()).on(p -> p.project(Assignments.identity(p.symbol("lag")), p.patternRecognition(builder -> builder.addWindowFunction(p.symbol("lag"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("b").toSymbolReference()), DEFAULT_FRAME, false)).addMeasure(p.symbol("measure"), "LAST(X.a)", BIGINT).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).skipTo(NEXT).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"), p.symbol("b")))))).matches(strictProject(ImmutableMap.of("lag", expression("lag")), patternRecognition(builder -> builder.addFunction("lag", functionCall("lag", ImmutableList.of("b"))).rowsPerMatch(WINDOW).frame(windowFrame(ROWS, CURRENT_ROW, Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty())).skipTo(NEXT).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true"), strictProject(ImmutableMap.of("b", expression("b")), values("a", "b")))));
}

Example 4 with UNBOUNDED_FOLLOWING

use of io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING in project trino by trinodb.

the class TestMergePatternRecognitionNodes method testMergeWithoutProject.

@Test
public void testMergeWithoutProject() {
    ResolvedFunction lag = createTestMetadataManager().resolveFunction(tester().getSession(), QualifiedName.of("lag"), fromTypes(BIGINT));
    tester().assertThat(new MergePatternRecognitionNodesWithoutProject()).on(p -> p.patternRecognition(parentBuilder -> parentBuilder.partitionBy(ImmutableList.of(p.symbol("c"))).orderBy(new OrderingScheme(ImmutableList.of(p.symbol("d")), ImmutableMap.of(p.symbol("d"), ASC_NULLS_LAST))).addMeasure(p.symbol("parent_measure"), "LAST(X.b)", BIGINT).addWindowFunction(p.symbol("parent_function"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("a").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).skipTo(LAST, new IrLabel("X")).seek().addSubset(new IrLabel("U"), ImmutableSet.of(new IrLabel("X"))).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.patternRecognition(childBuilder -> childBuilder.partitionBy(ImmutableList.of(p.symbol("c"))).orderBy(new OrderingScheme(ImmutableList.of(p.symbol("d")), ImmutableMap.of(p.symbol("d"), ASC_NULLS_LAST))).addMeasure(p.symbol("child_measure"), "FIRST(X.a)", BIGINT).addWindowFunction(p.symbol("child_function"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("b").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).skipTo(LAST, new IrLabel("X")).seek().addSubset(new IrLabel("U"), ImmutableSet.of(new IrLabel("X"))).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"), p.symbol("b"), p.symbol("c"), p.symbol("d"))))))).matches(patternRecognition(builder -> builder.specification(specification(ImmutableList.of("c"), ImmutableList.of("d"), ImmutableMap.of("d", ASC_NULLS_LAST))).addMeasure("parent_measure", "LAST(X.b)", BIGINT).addMeasure("child_measure", "FIRST(X.a)", BIGINT).addFunction("parent_function", functionCall("lag", ImmutableList.of("a"))).addFunction("child_function", functionCall("lag", ImmutableList.of("b"))).rowsPerMatch(WINDOW).frame(windowFrame(ROWS, CURRENT_ROW, Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty())).skipTo(LAST, new IrLabel("X")).seek().addSubset(new IrLabel("U"), ImmutableSet.of(new IrLabel("X"))).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true"), values("a", "b", "c", "d")));
}

Example 5 with UNBOUNDED_FOLLOWING

use of io.trino.sql.tree.FrameBound.Type.UNBOUNDED_FOLLOWING in project trino by trinodb.

the class TestMergePatternRecognitionNodes method testParentDependsOnSourceCreatedOutputs.

@Test
public void testParentDependsOnSourceCreatedOutputs() {
    ResolvedFunction lag = createTestMetadataManager().resolveFunction(tester().getSession(), QualifiedName.of("lag"), fromTypes(BIGINT));
    // parent node's measure depends on child node's measure output
    tester().assertThat(new MergePatternRecognitionNodesWithoutProject()).on(p -> p.patternRecognition(parentBuilder -> parentBuilder.addMeasure(p.symbol("dependent"), "LAST(X.measure)", BIGINT).rowsPerMatch(ALL_SHOW_EMPTY).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.patternRecognition(childBuilder -> childBuilder.addMeasure(p.symbol("measure"), "MATCH_NUMBER()", BIGINT).rowsPerMatch(ALL_SHOW_EMPTY).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"))))))).doesNotFire();
    // parent node's measure depends on child node's window function output
    tester().assertThat(new MergePatternRecognitionNodesWithoutProject()).on(p -> p.patternRecognition(parentBuilder -> parentBuilder.addMeasure(p.symbol("dependent"), "LAST(X.function)", BIGINT).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.patternRecognition(childBuilder -> childBuilder.addWindowFunction(p.symbol("function"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("a").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"))))))).doesNotFire();
    // parent node's window function depends on child node's window function output
    tester().assertThat(new MergePatternRecognitionNodesWithoutProject()).on(p -> p.patternRecognition(parentBuilder -> parentBuilder.addWindowFunction(p.symbol("dependent"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("function").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.patternRecognition(childBuilder -> childBuilder.addWindowFunction(p.symbol("function"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("a").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"))))))).doesNotFire();
    // parent node's window function depends on child node's measure output
    tester().assertThat(new MergePatternRecognitionNodesWithoutProject()).on(p -> p.patternRecognition(parentBuilder -> parentBuilder.addWindowFunction(p.symbol("dependent"), new WindowNode.Function(lag, ImmutableList.of(p.symbol("measure").toSymbolReference()), DEFAULT_FRAME, false)).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.patternRecognition(childBuilder -> childBuilder.addMeasure(p.symbol("measure"), "MATCH_NUMBER()", BIGINT).rowsPerMatch(WINDOW).frame(new WindowNode.Frame(ROWS, CURRENT_ROW, Optional.empty(), Optional.empty(), UNBOUNDED_FOLLOWING, Optional.empty(), Optional.empty(), Optional.empty(), Optional.empty())).pattern(new IrLabel("X")).addVariableDefinition(new IrLabel("X"), "true").source(p.values(p.symbol("a"))))))).doesNotFire();
}