Skip to content

test: support PostgreSQL dialect for RandomResultsGenerator #1868

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 4, 2022
Merged

test: support PostgreSQL dialect for RandomResultsGenerator #1868

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
155 changes: 96 additions & 59 deletions ...d-spanner/src/test/java/com/google/cloud/spanner/connection/RandomResultSetGenerator.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,9 +16,10 @@

package com.google.cloud.spanner.connection;

import com.google.api.client.util.Base64;
import com.google.cloud.Date;
import com.google.cloud.Timestamp;
import com.google.cloud.spanner.Dialect;
import com.google.common.io.BaseEncoding;
import com.google.protobuf.ListValue;
import com.google.protobuf.NullValue;
import com.google.protobuf.Value;
Expand All @@ -28,6 +29,7 @@
import com.google.spanner.v1.StructType;
import com.google.spanner.v1.StructType.Field;
import com.google.spanner.v1.Type;
import com.google.spanner.v1.TypeAnnotationCode;
import com.google.spanner.v1.TypeCode;
import java.math.BigDecimal;
import java.util.Random;
Expand All @@ -37,86 +39,109 @@
* of Cloud Spanner filled with random data.
*/
public class RandomResultSetGenerator {
private static final Type[] TYPES =
new Type[] {
Type.newBuilder().setCode(TypeCode.BOOL).build(),
Type.newBuilder().setCode(TypeCode.INT64).build(),
Type.newBuilder().setCode(TypeCode.FLOAT64).build(),
Type.newBuilder().setCode(TypeCode.NUMERIC).build(),
Type.newBuilder().setCode(TypeCode.STRING).build(),
Type.newBuilder().setCode(TypeCode.JSON).build(),
Type.newBuilder().setCode(TypeCode.BYTES).build(),
Type.newBuilder().setCode(TypeCode.DATE).build(),
Type.newBuilder().setCode(TypeCode.TIMESTAMP).build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.BOOL))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.INT64))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.FLOAT64))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.NUMERIC))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.STRING))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.JSON))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.BYTES))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.DATE))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.TIMESTAMP))
.build(),
};
private static Type[] generateTypes(Dialect dialect) {
return new Type[] {
Type.newBuilder().setCode(TypeCode.BOOL).build(),
Type.newBuilder().setCode(TypeCode.INT64).build(),
Type.newBuilder().setCode(TypeCode.FLOAT64).build(),
dialect == Dialect.POSTGRESQL
? Type.newBuilder()
.setCode(TypeCode.NUMERIC)
.setTypeAnnotation(TypeAnnotationCode.PG_NUMERIC)
.build()
: Type.newBuilder().setCode(TypeCode.NUMERIC).build(),
Type.newBuilder().setCode(TypeCode.STRING).build(),
Type.newBuilder()
.setCode(dialect == Dialect.POSTGRESQL ? TypeCode.STRING : TypeCode.JSON)
.build(),
Type.newBuilder().setCode(TypeCode.BYTES).build(),
Type.newBuilder().setCode(TypeCode.DATE).build(),
Type.newBuilder().setCode(TypeCode.TIMESTAMP).build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.BOOL))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.INT64))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.FLOAT64))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(
dialect == Dialect.POSTGRESQL
? Type.newBuilder()
.setCode(TypeCode.NUMERIC)
.setTypeAnnotation(TypeAnnotationCode.PG_NUMERIC)
: Type.newBuilder().setCode(TypeCode.NUMERIC))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.STRING))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(
Type.newBuilder()
.setCode(dialect == Dialect.POSTGRESQL ? TypeCode.STRING : TypeCode.JSON))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.BYTES))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.DATE))
.build(),
Type.newBuilder()
.setCode(TypeCode.ARRAY)
.setArrayElementType(Type.newBuilder().setCode(TypeCode.TIMESTAMP))
.build(),
};
}

private static ResultSetMetadata generateMetadata() {
private static ResultSetMetadata generateMetadata(Type[] types) {
StructType.Builder rowTypeBuilder = StructType.newBuilder();
for (int col = 0; col < TYPES.length; col++) {
rowTypeBuilder.addFields(Field.newBuilder().setName("COL" + col).setType(TYPES[col])).build();
for (int col = 0; col < types.length; col++) {
rowTypeBuilder.addFields(Field.newBuilder().setName("COL" + col).setType(types[col])).build();
}
ResultSetMetadata.Builder builder = ResultSetMetadata.newBuilder();
builder.setRowType(rowTypeBuilder.build());
return builder.build();
}

private static final ResultSetMetadata METADATA = generateMetadata();

private final ResultSetMetadata metadata;
private final Dialect dialect;
private final Type[] types;
private final int rowCount;
private final Random random = new Random();

public RandomResultSetGenerator(int rowCount) {
this(rowCount, Dialect.GOOGLE_STANDARD_SQL);
}

public RandomResultSetGenerator(int rowCount, Dialect dialect) {
this.rowCount = rowCount;
this.dialect = dialect;
this.types = generateTypes(dialect);
this.metadata = generateMetadata(types);
}

public ResultSet generate() {
ResultSet.Builder builder = ResultSet.newBuilder();
for (int row = 0; row < rowCount; row++) {
ListValue.Builder rowBuilder = ListValue.newBuilder();
for (Type type : TYPES) {
for (Type type : types) {
Value.Builder valueBuilder = Value.newBuilder();
setRandomValue(valueBuilder, type);
rowBuilder.addValues(valueBuilder.build());
}
builder.addRows(rowBuilder.build());
}
builder.setMetadata(METADATA);
builder.setMetadata(metadata);
return builder.build();
}

Expand All @@ -142,7 +167,7 @@ private void setRandomValue(Value.Builder builder, Type type) {
case BYTES:
byte[] bytes = new byte[random.nextInt(200)];
random.nextBytes(bytes);
builder.setStringValue(Base64.encodeBase64String(bytes));
builder.setStringValue(BaseEncoding.base64().encode(bytes));
break;
case JSON:
builder.setStringValue("\"" + random.nextInt(200) + "\":\"" + random.nextInt(200) + "\"");
Expand All @@ -154,10 +179,18 @@ private void setRandomValue(Value.Builder builder, Type type) {
builder.setStringValue(date.toString());
break;
case FLOAT64:
builder.setNumberValue(random.nextDouble());
if (randomNaN()) {
builder.setNumberValue(Double.NaN);
} else {
builder.setNumberValue(random.nextDouble());
}
break;
case NUMERIC:
builder.setStringValue(BigDecimal.valueOf(random.nextDouble()).toString());
if (dialect == Dialect.POSTGRESQL && randomNaN()) {
builder.setStringValue("NaN");
} else {
builder.setStringValue(BigDecimal.valueOf(random.nextDouble()).toString());
}
break;
case INT64:
builder.setStringValue(String.valueOf(random.nextLong()));
Expand All @@ -184,4 +217,8 @@ private void setRandomValue(Value.Builder builder, Type type) {
private boolean randomNull() {
return random.nextInt(10) == 0;
}

private boolean randomNaN() {
return random.nextInt(10) == 0;
}
}