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Add support for Row Generator in Postgres v13 by yaojiejia · Pull Request #1231 · sqlancer/sqlancer · GitHub

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Add support for Row Generator in Postgres v13 #1231

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Add support for Row Generator in Postgres v13 #1231

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12 changes: 12 additions & 0 deletions src/sqlancer/postgres/PostgresExpectedValueVisitor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@
import sqlancer.postgres.ast.PostgresSimilarTo;
import sqlancer.postgres.ast.PostgresTableReference;
import sqlancer.postgres.ast.PostgresWindowFunction;
import sqlancer.postgres.gen.PostgresRowGenerator;

import java.util.List;

public final class PostgresExpectedValueVisitor implements PostgresVisitor {

Expand Down Expand Up @@ -195,4 +198,13 @@ public void visit(PostgresLikeOperation op) {
visit(op.getRight());
}

@Override
public void visit(PostgresRowGenerator rowGenerator) {
print(rowGenerator);
List<PostgresExpression> expressions = rowGenerator.getExpressions();
for (PostgresExpression expr : expressions) {
visit(expr);
}
}

}
14 changes: 14 additions & 0 deletions src/sqlancer/postgres/PostgresToStringVisitor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import sqlancer.postgres.ast.PostgresWindowFunction;
import sqlancer.postgres.ast.PostgresWindowFunction.WindowFrame;
import sqlancer.postgres.ast.PostgresWindowFunction.WindowSpecification;
import sqlancer.postgres.gen.PostgresRowGenerator;

public final class PostgresToStringVisitor extends ToStringVisitor<PostgresExpression> implements PostgresVisitor {

Expand Down Expand Up @@ -399,4 +400,17 @@ public void visit(PostgresWindowFunction windowFunction) {

sb.append(")");
}

@Override
public void visit(PostgresRowGenerator rowGenerator) {
sb.append("ROW(");
List<PostgresExpression> expressions = rowGenerator.getExpressions();
for (int i = 0; i < expressions.size(); i++) {
if (i != 0) {
sb.append(", ");
}
visit(expressions.get(i));
}
sb.append(")");
}
}
5 changes: 5 additions & 0 deletions src/sqlancer/postgres/PostgresVisitor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import sqlancer.postgres.ast.PostgresTableReference;
import sqlancer.postgres.ast.PostgresWindowFunction;
import sqlancer.postgres.gen.PostgresExpressionGenerator;
import sqlancer.postgres.gen.PostgresRowGenerator;

public interface PostgresVisitor {

Expand Down Expand Up @@ -75,6 +76,8 @@ public interface PostgresVisitor {

void visit(PostgresWindowFunction windowFunction);

void visit(PostgresRowGenerator rowGenerator);

default void visit(PostgresExpression expression) {
if (expression instanceof PostgresConstant) {
visit((PostgresConstant) expression);
Expand Down Expand Up @@ -116,6 +119,8 @@ default void visit(PostgresExpression expression) {
visit((PostgresColumnReference) expression);
} else if (expression instanceof PostgresTableReference) {
visit((PostgresTableReference) expression);
} else if (expression instanceof PostgresRowGenerator) {
visit((PostgresRowGenerator) expression);
} else if (expression instanceof PostgresWindowFunction) {
visit((PostgresWindowFunction) expression);
} else {
Expand Down
22 changes: 22 additions & 0 deletions src/sqlancer/postgres/gen/PostgresRowGenerator.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
package sqlancer.postgres.gen;

import java.util.List;
import sqlancer.postgres.PostgresSchema.PostgresDataType;
import sqlancer.postgres.ast.PostgresExpression;

public class PostgresRowGenerator implements PostgresExpression {
private final List<PostgresExpression> expressions;

public PostgresRowGenerator(List<PostgresExpression> expressions) {
this.expressions = expressions;
}

public List<PostgresExpression> getExpressions() {
return expressions;
}

@Override
public PostgresDataType getExpressionType() {
return PostgresDataType.INT;
}
}
2 changes: 1 addition & 1 deletion src/sqlancer/postgres/gen/PostgresSetGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ private enum ConfigurationOption {
JIT("jit", (r) -> Randomly.fromOptions(1, 0)),
JOIN_COLLAPSE_LIMIT("join_collapse_limit", (r) -> r.getInteger(1, Integer.MAX_VALUE)),
PARALLEL_LEADER_PARTICIPATION("parallel_leader_participation", (r) -> Randomly.fromOptions(1, 0)),
FORCE_PARALLEL_MODE("force_parallel_mode", (r) -> Randomly.fromOptions("off", "on", "regress")),
// FORCE_PARALLEL_MODE("force_parallel_mode", (r) -> Randomly.fromOptions("off", "on", "regress")),
PLAN_CACHE_MODE("plan_cache_mode",
(r) -> Randomly.fromOptions("auto", "force_generic_plan", "force_custom_plan"));

Expand Down
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