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Merge pull request #165 from crobox/feature/add-more-functions
Add Functions for Nullable values
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137 changes: 111 additions & 26 deletions
137
dsl/src/test/scala/com/crobox/clickhouse/dsl/language/EmptyFunctionTokenizerTest.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,60 +1,145 @@ | ||
| package com.crobox.clickhouse.dsl.language | ||
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| import com.crobox.clickhouse.dsl._ | ||
| import com.crobox.clickhouse.{dsl, DslTestSpec} | ||
| import com.crobox.clickhouse.{DslTestSpec, dsl} | ||
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| class EmptyFunctionTokenizerTest extends DslTestSpec { | ||
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| it should "UUID empty" in { | ||
| val result = toSQL(dsl.empty(nativeUUID)) | ||
| if (serverVersion.minimalVersion(21, 8)) { | ||
| toSQL(dsl.empty(nativeUUID)) should matchSQL("empty(uuid)") | ||
| result should matchSQL("empty(uuid)") | ||
| } else { | ||
| toSQL(dsl.empty(nativeUUID)) should matchSQL("uuid == 0") | ||
| result should matchSQL("uuid == 0") | ||
| } | ||
| } | ||
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| it should "UUID notEmpty" in { | ||
| val result = toSQL(dsl.notEmpty(nativeUUID)) | ||
| if (serverVersion.minimalVersion(21, 8)) { | ||
| toSQL(dsl.notEmpty(nativeUUID)) should matchSQL("notEmpty(uuid)") | ||
| result should matchSQL("notEmpty(uuid)") | ||
| } else { | ||
| toSQL(dsl.notEmpty(nativeUUID)) should matchSQL("uuid != 0") | ||
| result should matchSQL("uuid != 0") | ||
| } | ||
| } | ||
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| it should "rewrite empty to empty(0)" in { | ||
| val query = select(All()).from(TwoTestTable).where(nativeUUID.empty()) | ||
| val query = select(All()).from(TwoTestTable).where(nativeUUID.empty()) | ||
| val result = toSql(query.internalQuery, None) | ||
| if (serverVersion.minimalVersion(21, 8)) { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE empty(uuid)" | ||
| ) | ||
| result should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE empty(uuid)") | ||
| } else { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE uuid == 0" | ||
| ) | ||
| result should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE uuid == 0") | ||
| } | ||
| } | ||
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| it should "rewrite notEmpty to notEquals(0)" in { | ||
| var query = select(All()).from(TwoTestTable).where(nativeUUID.notEmpty()) | ||
| val query = select(All()).from(TwoTestTable).where(nativeUUID.notEmpty()) | ||
| val result = toSql(query.internalQuery, None) | ||
| if (serverVersion.minimalVersion(21, 8)) { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE notEmpty(uuid)" | ||
| ) | ||
| result should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE notEmpty(uuid)") | ||
| } else { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE uuid != 0" | ||
| ) | ||
| result should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE uuid != 0") | ||
| } | ||
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| query = select(All()).from(TwoTestTable).where(notEmpty(nativeUUID)) | ||
| val query2 = select(All()).from(TwoTestTable).where(notEmpty(nativeUUID)) | ||
| val result2 = toSql(query2.internalQuery, None) | ||
| if (serverVersion.minimalVersion(21, 8)) { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE notEmpty(uuid)" | ||
| ) | ||
| result2 should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE notEmpty(uuid)") | ||
| } else { | ||
| toSql(query.internalQuery, None) should matchSQL( | ||
| s"SELECT * FROM $database.twoTestTable WHERE uuid != 0" | ||
| ) | ||
| result2 should matchSQL(s"SELECT * FROM $database.twoTestTable WHERE uuid != 0") | ||
| } | ||
| } | ||
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| it should "tokenize IsNull" in { | ||
| val expected = s"SELECT * FROM $database.twoTestTable WHERE isNull(uuid)" | ||
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| val query = select(All()).from(TwoTestTable).where(nativeUUID.isNull()) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(All()).from(TwoTestTable).where(isNull(nativeUUID)) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize IsNotNull" in { | ||
| val expected = s"SELECT * FROM $database.twoTestTable WHERE isNotNull(uuid)" | ||
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| val query = select(All()).from(TwoTestTable).where(nativeUUID.isNotNull()) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(All()).from(TwoTestTable).where(isNotNull(nativeUUID)) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize IsNullable" in { | ||
| val expected = s"SELECT isNullable(uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.isNullable()).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(isNullable(nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize IsNotDistinctFrom" in { | ||
| val expected = s"SELECT isNotDistinctFrom(uuid, uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.isNotDistinctFrom(nativeUUID)).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(isNotDistinctFrom(nativeUUID, nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize IsZeroOrNull" in { | ||
| val expected = s"SELECT isZeroOrNull(uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.isZeroOrNull()).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(isZeroOrNull(nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize IfNull" in { | ||
| val defaultValue = "alternative" | ||
| val expected = s"SELECT ifNull(uuid, '$defaultValue') FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.ifNull(defaultValue)).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(ifNull(nativeUUID, defaultValue)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize NullIf" in { | ||
| val expected = s"SELECT nullIf(uuid, uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.nullIf(nativeUUID)).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(nullIf(nativeUUID, nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize AssumeNotNull" in { | ||
| val expected = s"SELECT assumeNotNull(uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.assumeNotNull()).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(assumeNotNull(nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| it should "tokenize ToNullable" in { | ||
| val expected = s"SELECT toNullable(uuid) FROM $database.twoTestTable" | ||
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| val query = select(nativeUUID.toNullable()).from(TwoTestTable) | ||
| toSql(query.internalQuery, None) should matchSQL(expected) | ||
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| val query2 = select(toNullable(nativeUUID)).from(TwoTestTable) | ||
| toSql(query2.internalQuery, None) should matchSQL(expected) | ||
| } | ||
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| } |