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#1333 - ENH: Support "dynamic formula" with findSingleAttributeList() ... e.g. .select("concat(lastName,', ',firstName)")

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Support cast of formula like ... select("max(updtime)::Instant")
This commit is contained in:
Rob Bygrave
2018-03-06 20:58:30 +13:00
parent e1af7c29eb
commit 873c14faaf
8 changed files with 208 additions and 74 deletions
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src/test/java/io/ebeaninternal/server/deploy/FormulaPropertyPathTest.java
+41 -3
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@@ -31,12 +31,50 @@ public class FormulaPropertyPathTest extends BaseTestCase {
assertFormula("concat(name,'-end')", "concat", "name,'-end'");
}
private void assertFormula(String input, String aggType, String baseProperty) {
@Test
public void castFormula() {
assertFormula("concat(name,'-end')::String", "concat", "name,'-end'", "String", null);
}
@Test
public void cast_javaInstant() {
assertFormula("max(updtime)::Instant", "max", "updtime", "Instant", null);
}
@Test
public void alias() {
assertFormula("concat(name,'-end') name", "concat", "name,'-end'", null, "name");
assertFormula("concat(name,'-end') as name", "concat", "name,'-end'", null, "name");
}
@Test
public void castAndAlias() {
assertFormula("concat(name,'-end')::String name", "concat", "name,'-end'", "String", "name");
assertFormula("concat(name,'-end')::String as name", "concat", "name,'-end'", "String", "name");
}
private void assertFormula(String input, String funcName, String expression) {
assertFormula(input, funcName, expression, null, null);
}
private void assertFormula(String input, String funcName, String expression, String cast, String alias) {
FormulaPropertyPath propertyPath = new FormulaPropertyPath(customerDesc, input);
assertThat(propertyPath.basePropertyName()).isEqualTo(baseProperty);
assertThat(propertyPath.aggType()).isEqualTo(aggType);
assertThat(propertyPath.internalExpression()).isEqualTo(expression);
assertThat(propertyPath.outerFunction()).isEqualTo(funcName);
if (cast != null) {
assertThat(propertyPath.cast()).isEqualTo(cast);
} else {
assertThat(propertyPath.cast()).isNull();
}
if (alias != null) {
assertThat(propertyPath.alias()).isEqualTo(alias);
} else {
assertThat(propertyPath.alias()).isNull();
}
SqlTreeProperty treeProperty = propertyPath.build();