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PostgresCastOperation.java
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45 lines (35 loc) · 1.16 KB
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package sqlancer.postgres.ast;
import sqlancer.postgres.PostgresCompoundDataType;
import sqlancer.postgres.PostgresSchema.PostgresDataType;
public class PostgresCastOperation implements PostgresExpression {
private final PostgresExpression expression;
private final PostgresCompoundDataType type;
public PostgresCastOperation(PostgresExpression expression, PostgresCompoundDataType type) {
if (expression == null) {
throw new AssertionError();
}
this.expression = expression;
this.type = type;
}
@Override
public PostgresDataType getExpressionType() {
return type.getDataType();
}
@Override
public PostgresConstant getExpectedValue() {
PostgresConstant expectedValue = expression.getExpectedValue();
if (expectedValue == null) {
return null;
}
return expectedValue.cast(type.getDataType());
}
public PostgresExpression getExpression() {
return expression;
}
public PostgresDataType getType() {
return type.getDataType();
}
public PostgresCompoundDataType getCompoundType() {
return type;
}
}