From 28d7c22e17fc9a232f1f9a4e4bec0b7dba1257cb Mon Sep 17 00:00:00 2001 From: Lukas Eder Date: Wed, 13 Jan 2021 12:42:24 +0100 Subject: [PATCH] [jOOQ/jOOQ#9163] Standardise TRUNCATE --- jOOQ/src/main/java/org/jooq/DSLContext.java | 205 ++++----------- jOOQ/src/main/java/org/jooq/Truncate.java | 35 ++- .../java/org/jooq/TruncateCascadeStep.java | 25 +- .../main/java/org/jooq/TruncateFinalStep.java | 10 +- .../java/org/jooq/TruncateIdentityStep.java | 24 +- jOOQ/src/main/java/org/jooq/impl/DSL.java | 243 +++++------------- .../java/org/jooq/impl/DefaultDSLContext.java | 60 ++--- .../main/java/org/jooq/impl/Interpreter.java | 2 +- .../java/org/jooq/impl/SelectQueryImpl.java | 3 +- .../main/java/org/jooq/impl/TruncateImpl.java | 123 +++++---- 10 files changed, 274 insertions(+), 456 deletions(-) diff --git a/jOOQ/src/main/java/org/jooq/DSLContext.java b/jOOQ/src/main/java/org/jooq/DSLContext.java index 490bd99c2d..31f3dda098 100644 --- a/jOOQ/src/main/java/org/jooq/DSLContext.java +++ b/jOOQ/src/main/java/org/jooq/DSLContext.java @@ -10431,6 +10431,60 @@ public interface DSLContext extends Scope { @Support({ DERBY, H2, HSQLDB, MARIADB, MYSQL, POSTGRES }) RowCountQuery setSchema(Schema schema); + /** + * The TRUNCATE statement. + * + * @see DSL#truncate(String) + */ + @NotNull + @Support + TruncateIdentityStep truncate(String table); + + /** + * The TRUNCATE statement. + * + * @see DSL#truncate(Name) + */ + @NotNull + @Support + TruncateIdentityStep truncate(Name table); + + /** + * The TRUNCATE statement. + * + * @see DSL#truncate(Table) + */ + @NotNull + @Support + TruncateIdentityStep truncate(Table table); + + /** + * The TRUNCATE TABLE statement. + * + * @see DSL#truncateTable(String) + */ + @NotNull + @Support + TruncateIdentityStep truncateTable(String table); + + /** + * The TRUNCATE TABLE statement. + * + * @see DSL#truncateTable(Name) + */ + @NotNull + @Support + TruncateIdentityStep truncateTable(Name table); + + /** + * The TRUNCATE TABLE statement. + * + * @see DSL#truncateTable(Table) + */ + @NotNull + @Support + TruncateIdentityStep truncateTable(Table table); + /** @@ -11208,157 +11262,6 @@ public interface DSLContext extends Scope { @Support({ H2, MARIADB, POSTGRES }) AlterTableStep alterTableIfExists(Table table); - /** - * Create a new DSL truncate statement. - *

- * Synonym for {@link #truncateTable(String)} - */ - @NotNull - @Support - TruncateIdentityStep truncate(String table); - - /** - * Create a new DSL truncate statement. - *

- * Synonym for {@link #truncateTable(Name)} - */ - @NotNull - @Support - TruncateIdentityStep truncate(Name table); - - /** - * Create a new DSL truncate statement. - *

- * Synonym for {@link #truncateTable(Table)} - */ - @NotNull - @Support - TruncateIdentityStep truncate(Table table); - - /** - * Create a new DSL truncate statement. - *

- * Example: - *

- * 

-     * DSLContext create = DSL.using(configuration);
-     *
-     * create.truncate(table)
-     *       .execute();
-     *
- *

Emulation of TRUNCATE

- *

- * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

    - *
  • {@link SQLDialect#FIREBIRD}
    • - *
  • {@link SQLDialect#INGRES}
    • - *
  • {@link SQLDialect#SQLITE}
    • - *
- *

Vendor-specific extensions of TRUNCATE

- *

- * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

- * 

-     * create.truncate(table)
-     *       .restartIdentity()
-     *       .cascade()
-     *       .execute();
-     *
- *

- * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - * - * @see #truncate(Table) - */ - @NotNull - @Support - TruncateIdentityStep truncateTable(String table); - - /** - * Create a new DSL truncate statement. - *

- * Example: - *

- * 

-     * DSLContext create = DSL.using(configuration);
-     *
-     * create.truncate(table)
-     *       .execute();
-     *
- *

Emulation of TRUNCATE

- *

- * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

    - *
  • {@link SQLDialect#FIREBIRD}
    • - *
  • {@link SQLDialect#INGRES}
    • - *
  • {@link SQLDialect#SQLITE}
    • - *
- *

Vendor-specific extensions of TRUNCATE

- *

- * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

- * 

-     * create.truncate(table)
-     *       .restartIdentity()
-     *       .cascade()
-     *       .execute();
-     *
- *

- * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - * - * @see #truncate(Name) - */ - @NotNull - @Support - TruncateIdentityStep truncateTable(Name table); - - /** - * Create a new DSL truncate statement. - *

- * Example: - *

- * 

-     * DSLContext create = DSL.using(configuration);
-     *
-     * create.truncate(table)
-     *       .execute();
-     *
- *

Emulation of TRUNCATE

- *

- * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

    - *
  • {@link SQLDialect#FIREBIRD}
    • - *
  • {@link SQLDialect#INGRES}
    • - *
  • {@link SQLDialect#SQLITE}
    • - *
- *

Vendor-specific extensions of TRUNCATE

- *

- * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

- * 

-     * create.truncate(table)
-     *       .restartIdentity()
-     *       .cascade()
-     *       .execute();
-     *
- *

- * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - */ - @NotNull - @Support - TruncateIdentityStep truncateTable(Table table); - // ------------------------------------------------------------------------- // XXX Other queries for identites and sequences // ------------------------------------------------------------------------- diff --git a/jOOQ/src/main/java/org/jooq/Truncate.java b/jOOQ/src/main/java/org/jooq/Truncate.java index 05b7755e86..abcc753244 100644 --- a/jOOQ/src/main/java/org/jooq/Truncate.java +++ b/jOOQ/src/main/java/org/jooq/Truncate.java @@ -37,24 +37,33 @@ */ package org.jooq; -import org.jooq.impl.DSL; +import static org.jooq.SQLDialect.*; + +import java.util.*; + +import org.jetbrains.annotations.*; /** - * A TRUNCATE statement. + * A step in the construction of the TRUNCATE statement. *

- * Example: + *

Referencing XYZ*Step types directly from client code

*

- * 

- * // Assuming import static org.jooq.impl.DSL.*;
- *
- * using(configuration).truncate(ACTOR).execute();
- *
+ * It is usually not recommended to reference any XYZ*Step types + * directly from client code, or assign them to local variables. When writing + * dynamic SQL, creating a statement's components dynamically, and passing them + * to the DSL API statically is usually a better choice. See the manual's + * section about dynamic SQL for details: https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql. *

- * Instances can be created using {@link DSL#truncate(Table)}, or - * {@link DSLContext#truncate(Table)} and overloads. - * - * @author Lukas Eder + * Drawbacks of referencing the XYZ*Step types directly: + *

    + *
  • They're operating on mutable implementations (as of jOOQ 3.x)
    • + *
  • They're less composable and not easy to get right when dynamic SQL gets + * complex
    • + *
  • They're less readable
    • + *
  • They might have binary incompatible changes between minor releases
    • + *
*/ +@SuppressWarnings({ "unused" }) public interface Truncate extends DDLQuery { - } diff --git a/jOOQ/src/main/java/org/jooq/TruncateCascadeStep.java b/jOOQ/src/main/java/org/jooq/TruncateCascadeStep.java index d8de1684e3..4d2625f665 100644 --- a/jOOQ/src/main/java/org/jooq/TruncateCascadeStep.java +++ b/jOOQ/src/main/java/org/jooq/TruncateCascadeStep.java @@ -37,16 +37,14 @@ */ package org.jooq; +import static org.jooq.SQLDialect.*; + +import java.util.*; + import org.jetbrains.annotations.*; - -// ... -// ... -// ... -import static org.jooq.SQLDialect.POSTGRES; - /** - * A {@link Query} that can truncate a table in the database. + * A step in the construction of the TRUNCATE statement. *

*

Referencing XYZ*Step types directly from client code

*

@@ -65,24 +63,21 @@ import static org.jooq.SQLDialect.POSTGRES; *

  • They're less readable
    • *
  • They might have binary incompatible changes between minor releases
    • * - * - * @author Lukas Eder */ +@SuppressWarnings({ "unused" }) public interface TruncateCascadeStep extends TruncateFinalStep { /** - * Add the CASCADE clause to the TRUNCATE - * statement. + * Add the CASCADE clause to the TRUNCATE statement. */ - @NotNull @Support({ POSTGRES }) + @NotNull TruncateFinalStep cascade(); /** - * Add the RESTRICT clause to the TRUNCATE - * statement. + * Add the RESTRICT clause to the TRUNCATE statement. */ - @NotNull @Support({ POSTGRES }) + @NotNull TruncateFinalStep restrict(); } diff --git a/jOOQ/src/main/java/org/jooq/TruncateFinalStep.java b/jOOQ/src/main/java/org/jooq/TruncateFinalStep.java index e543d4058c..7b6b1c312a 100644 --- a/jOOQ/src/main/java/org/jooq/TruncateFinalStep.java +++ b/jOOQ/src/main/java/org/jooq/TruncateFinalStep.java @@ -37,10 +37,14 @@ */ package org.jooq; +import static org.jooq.SQLDialect.*; +import java.util.*; + +import org.jetbrains.annotations.*; /** - * A {@link Query} that can truncate a table in the database. + * A step in the construction of the TRUNCATE statement. *

    *

    Referencing XYZ*Step types directly from client code

    *

    @@ -59,9 +63,7 @@ package org.jooq; *

  • They're less readable
    • *
  • They might have binary incompatible changes between minor releases
    • * - * - * @author Lukas Eder */ +@SuppressWarnings({ "unused" }) public interface TruncateFinalStep extends Truncate { - } diff --git a/jOOQ/src/main/java/org/jooq/TruncateIdentityStep.java b/jOOQ/src/main/java/org/jooq/TruncateIdentityStep.java index 1bbecf755b..6392fbc9ce 100644 --- a/jOOQ/src/main/java/org/jooq/TruncateIdentityStep.java +++ b/jOOQ/src/main/java/org/jooq/TruncateIdentityStep.java @@ -37,15 +37,14 @@ */ package org.jooq; +import static org.jooq.SQLDialect.*; + +import java.util.*; + import org.jetbrains.annotations.*; - -// ... -import static org.jooq.SQLDialect.HSQLDB; -import static org.jooq.SQLDialect.POSTGRES; - /** - * A {@link Query} that can truncate a table in the database. + * A step in the construction of the TRUNCATE statement. *

    *

    Referencing XYZ*Step types directly from client code

    *

    @@ -64,24 +63,21 @@ import static org.jooq.SQLDialect.POSTGRES; *

  • They're less readable
    • *
  • They might have binary incompatible changes between minor releases
    • * - * - * @author Lukas Eder */ +@SuppressWarnings({ "unused" }) public interface TruncateIdentityStep extends TruncateCascadeStep { /** - * Add the RESTART IDENTITY clause to the TRUNCATE - * statement. + * Add the RESTART IDENTITY clause to the TRUNCATE statement. */ - @NotNull @Support({ HSQLDB, POSTGRES }) + @NotNull TruncateCascadeStep restartIdentity(); /** - * Add the CONTINUE IDENTITY clause to the - * TRUNCATE statement. + * Add the CONTINUE IDENTITY clause to the TRUNCATE statement. */ - @NotNull @Support({ HSQLDB, POSTGRES }) + @NotNull TruncateCascadeStep continueIdentity(); } diff --git a/jOOQ/src/main/java/org/jooq/impl/DSL.java b/jOOQ/src/main/java/org/jooq/impl/DSL.java index c49bfa5f97..4d62800a1a 100644 --- a/jOOQ/src/main/java/org/jooq/impl/DSL.java +++ b/jOOQ/src/main/java/org/jooq/impl/DSL.java @@ -8583,6 +8583,72 @@ public class DSL { return dsl().setSchema(schema); } + /** + * The TRUNCATE statement. + * + * @see DSLContext#truncate(String) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncate(String table) { + return dsl().truncate(table); + } + + /** + * The TRUNCATE statement. + * + * @see DSLContext#truncate(Name) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncate(Name table) { + return dsl().truncate(table); + } + + /** + * The TRUNCATE statement. + * + * @see DSLContext#truncate(Table) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncate(Table table) { + return dsl().truncate(table); + } + + /** + * The TRUNCATE TABLE statement. + * + * @see DSLContext#truncateTable(String) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncateTable(String table) { + return dsl().truncateTable(table); + } + + /** + * The TRUNCATE TABLE statement. + * + * @see DSLContext#truncateTable(Name) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncateTable(Name table) { + return dsl().truncateTable(table); + } + + /** + * The TRUNCATE TABLE statement. + * + * @see DSLContext#truncateTable(Table) + */ + @NotNull + @Support + public static org.jooq.TruncateIdentityStep truncateTable(Table table) { + return dsl().truncateTable(table); + } + /** @@ -9302,183 +9368,6 @@ public class DSL { return dsl().alterTableIfExists(table); } - /** - * Create a new DSL truncate statement. - *

    - * Synonym for {@link #truncateTable(String)} - */ - @NotNull - @Support - public static TruncateIdentityStep truncate(String table) { - return truncateTable(table); - } - - /** - * Create a new DSL truncate statement. - *

    - * Synonym for {@link #truncateTable(Name)} - */ - @NotNull - @Support - public static TruncateIdentityStep truncate(Name table) { - return truncateTable(table); - } - - /** - * Create a new DSL truncate statement. - *

    - * Synonym for {@link #truncateTable(Table)} - */ - @NotNull - @Support - public static TruncateIdentityStep truncate(Table table) { - return truncateTable(table); - } - - /** - * Create a new DSL truncate statement. - *

    - * Unlike {@link Delete} factory methods in the {@link DSLContext} API, this - * creates an unattached, and thus not directly renderable or executable - * DELETE statement. - *

    - * Example: - *

    - * 

    -     * import static org.jooq.impl.DSL.*;
-     *
-     * // [...]
-     *
-     * truncate(table);
-     *
    - *

    Simulation of TRUNCATE

    - *

    - * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

      - *
    • {@link SQLDialect#FIREBIRD}
      • - *
    • {@link SQLDialect#INGRES}
      • - *
    • {@link SQLDialect#SQLITE}
      • - *
    - *

    Vendor-specific extensions of TRUNCATE

    - *

    - * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

    - * 

    -     * truncate(table)
-     *   .restartIdentity()
-     *   .cascade()
-     *
    - *

    - * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - * - * @see DSLContext#truncate(String) - */ - @NotNull - @Support - public static TruncateIdentityStep truncateTable(String table) { - return dsl().truncateTable(table); - } - - /** - * Create a new DSL truncate statement. - *

    - * Unlike {@link Delete} factory methods in the {@link DSLContext} API, this - * creates an unattached, and thus not directly renderable or executable - * DELETE statement. - *

    - * Example: - *

    - * 

    -     * import static org.jooq.impl.DSL.*;
-     *
-     * // [...]
-     *
-     * truncate(table);
-     *
    - *

    Simulation of TRUNCATE

    - *

    - * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

      - *
    • {@link SQLDialect#FIREBIRD}
      • - *
    • {@link SQLDialect#INGRES}
      • - *
    • {@link SQLDialect#SQLITE}
      • - *
    - *

    Vendor-specific extensions of TRUNCATE

    - *

    - * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

    - * 

    -     * truncate(table)
-     *   .restartIdentity()
-     *   .cascade()
-     *
    - *

    - * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - * - * @see DSLContext#truncate(Name) - */ - @NotNull - @Support - public static TruncateIdentityStep truncateTable(Name table) { - return dsl().truncateTable(table); - } - - /** - * Create a new DSL truncate statement. - *

    - * Unlike {@link Delete} factory methods in the {@link DSLContext} API, this - * creates an unattached, and thus not directly renderable or executable - * DELETE statement. - *

    - * Example: - *

    - * 

    -     * import static org.jooq.impl.DSL.*;
-     *
-     * // [...]
-     *
-     * truncate(table);
-     *
    - *

    Simulation of TRUNCATE

    - *

    - * Most dialects implement the TRUNCATE statement. If it is not - * supported, it is emulated using an equivalent DELETE - * statement. This is particularly true for these dialects: - *

      - *
    • {@link SQLDialect#FIREBIRD}
      • - *
    • {@link SQLDialect#INGRES}
      • - *
    • {@link SQLDialect#SQLITE}
      • - *
    - *

    Vendor-specific extensions of TRUNCATE

    - *

    - * Some statements also support extensions of the TRUNCATE - * statement, such as Postgres: - *

    - * 

    -     * truncate(table)
-     *   .restartIdentity()
-     *   .cascade()
-     *
    - *

    - * These vendor-specific extensions are currently not emulated for those - * dialects that do not support them natively. - * - * @see DSLContext#truncate(Table) - */ - @NotNull - @Support - public static TruncateIdentityStep truncateTable(Table table) { - return dsl().truncateTable(table); - } - // ------------------------------------------------------------------------- // XXX Quantified comparison predicate expressions // ------------------------------------------------------------------------- diff --git a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java index 967158f2eb..e96352aec2 100644 --- a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java +++ b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java @@ -3406,6 +3406,36 @@ public class DefaultDSLContext extends AbstractScope implements DSLContext, Seri return new SetSchema(configuration(), schema); } + @Override + public org.jooq.TruncateIdentityStep truncate(String table) { + return new TruncateImpl(configuration(), DSL.table(DSL.name(table))); + } + + @Override + public org.jooq.TruncateIdentityStep truncate(Name table) { + return new TruncateImpl(configuration(), DSL.table(table)); + } + + @Override + public org.jooq.TruncateIdentityStep truncate(Table table) { + return new TruncateImpl(configuration(), table); + } + + @Override + public org.jooq.TruncateIdentityStep truncateTable(String table) { + return truncate(DSL.table(DSL.name(table))); + } + + @Override + public org.jooq.TruncateIdentityStep truncateTable(Name table) { + return truncate(DSL.table(table)); + } + + @Override + public org.jooq.TruncateIdentityStep truncateTable(Table table) { + return truncate(table); + } + @Override @@ -3817,36 +3847,6 @@ public class DefaultDSLContext extends AbstractScope implements DSLContext, Seri return new AlterTableImpl(configuration(), table, true); } - @Override - public final TruncateIdentityStep truncate(String table) { - return truncateTable(table); - } - - @Override - public final TruncateIdentityStep truncate(Name table) { - return truncateTable(table); - } - - @Override - public TruncateIdentityStep truncate(Table table) { - return truncateTable(table); - } - - @Override - public final TruncateIdentityStep truncateTable(String table) { - return truncateTable(name(table)); - } - - @Override - public final TruncateIdentityStep truncateTable(Name table) { - return truncateTable(table(table)); - } - - @Override - public TruncateIdentityStep truncateTable(Table table) { - return new TruncateImpl<>(configuration(), table); - } - // ------------------------------------------------------------------------- // XXX Other queries for identites and sequences // ------------------------------------------------------------------------- diff --git a/jOOQ/src/main/java/org/jooq/impl/Interpreter.java b/jOOQ/src/main/java/org/jooq/impl/Interpreter.java index 2ab924f9d8..281f493abf 100644 --- a/jOOQ/src/main/java/org/jooq/impl/Interpreter.java +++ b/jOOQ/src/main/java/org/jooq/impl/Interpreter.java @@ -783,7 +783,7 @@ final class Interpreter { throw notExists(table); else if (!existing.options.type().isTable()) throw objectNotTable(table); - else if (!query.$cascade() && existing.hasReferencingKeys()) + else if (!TRUE.equals(query.$cascade()) && existing.hasReferencingKeys()) throw new DataDefinitionException("Cannot truncate table referenced by other tables. Use CASCADE: " + table); } diff --git a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java index 2092c7c299..283e79a0e3 100644 --- a/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java +++ b/jOOQ/src/main/java/org/jooq/impl/SelectQueryImpl.java @@ -68,6 +68,7 @@ import static org.jooq.Operator.OR; import static org.jooq.SQLDialect.CUBRID; // ... // ... +import static org.jooq.SQLDialect.DEFAULT; import static org.jooq.SQLDialect.DERBY; import static org.jooq.SQLDialect.FIREBIRD; import static org.jooq.SQLDialect.H2; @@ -269,7 +270,7 @@ final class SelectQueryImpl extends AbstractResultQuery imp static final Set SUPPORT_WINDOW_CLAUSE = SQLDialect.supportedBy(H2, MYSQL, POSTGRES, SQLITE); - private static final Set OPTIONAL_FROM_CLAUSE = SQLDialect.supportedBy(H2, MARIADB, MYSQL, POSTGRES, SQLITE); + private static final Set OPTIONAL_FROM_CLAUSE = SQLDialect.supportedBy(DEFAULT, H2, MARIADB, MYSQL, POSTGRES, SQLITE); private static final Set REQUIRES_DERIVED_TABLE_DML = SQLDialect.supportedBy(MARIADB, MYSQL); private static final Set EMULATE_EMPTY_GROUP_BY_CONSTANT = SQLDialect.supportedUntil(DERBY, HSQLDB); private static final Set EMULATE_EMPTY_GROUP_BY_OTHER = SQLDialect.supportedUntil(FIREBIRD, MARIADB, MYSQL, SQLITE); diff --git a/jOOQ/src/main/java/org/jooq/impl/TruncateImpl.java b/jOOQ/src/main/java/org/jooq/impl/TruncateImpl.java index d3fd001472..de4f09ce45 100644 --- a/jOOQ/src/main/java/org/jooq/impl/TruncateImpl.java +++ b/jOOQ/src/main/java/org/jooq/impl/TruncateImpl.java @@ -37,86 +37,107 @@ */ package org.jooq.impl; -import static java.lang.Boolean.TRUE; -import static org.jooq.Clause.TRUNCATE; -import static org.jooq.Clause.TRUNCATE_TRUNCATE; -// ... -import static org.jooq.impl.DSL.delete; -import static org.jooq.impl.Keywords.K_CASCADE; -import static org.jooq.impl.Keywords.K_CONTINUE_IDENTITY; -import static org.jooq.impl.Keywords.K_IMMEDIATE; -import static org.jooq.impl.Keywords.K_RESTART_IDENTITY; -import static org.jooq.impl.Keywords.K_RESTRICT; -import static org.jooq.impl.Keywords.K_TRUNCATE_TABLE; +import static org.jooq.impl.DSL.*; +import static org.jooq.impl.Internal.*; +import static org.jooq.impl.Keywords.*; +import static org.jooq.impl.Names.*; +import static org.jooq.impl.SQLDataType.*; +import static org.jooq.impl.Tools.*; +import static org.jooq.impl.Tools.BooleanDataKey.*; +import static org.jooq.SQLDialect.*; + +import org.jooq.*; +import org.jooq.conf.*; +import org.jooq.impl.*; +import org.jooq.tools.*; + +import java.util.*; -import org.jooq.Clause; -import org.jooq.Configuration; -import org.jooq.Context; -import org.jooq.Record; -import org.jooq.SQLDialect; -import org.jooq.Table; -import org.jooq.TruncateCascadeStep; -import org.jooq.TruncateFinalStep; -import org.jooq.TruncateIdentityStep; /** - * @author Lukas Eder + * The TRUNCATE statement. */ -final class TruncateImpl extends AbstractRowCountQuery implements +@SuppressWarnings({ "rawtypes", "unchecked", "unused" }) +final class TruncateImpl +extends + AbstractRowCountQuery +implements + TruncateIdentityStep, + TruncateCascadeStep, + TruncateFinalStep, + Truncate +{ - // Cascading interface implementations for Truncate behaviour - TruncateIdentityStep { + private static final long serialVersionUID = 1L; - /** - * Generated UID - */ - private static final long serialVersionUID = 8904572826501186329L; - private static final Clause[] CLAUSES = { TRUNCATE }; + private final Table table; + private Boolean restartIdentity; + private Boolean cascade; - private final Table table; - private Boolean cascade; - private Boolean restartIdentity; + TruncateImpl( + Configuration configuration, + Table table + ) { + this( + configuration, + table, + null, + null + ); + } - public TruncateImpl(Configuration configuration, Table table) { + TruncateImpl( + Configuration configuration, + Table table, + Boolean restartIdentity, + Boolean cascade + ) { super(configuration); this.table = table; + this.restartIdentity = restartIdentity; + this.cascade = cascade; } - final Table $table() { return table; } - final boolean $cascade() { return TRUE.equals(cascade); } + final Table $table() { return table; } + final Boolean $restartIdentity() { return restartIdentity; } + final Boolean $cascade() { return cascade; } - // ------------------------------------------------------------------------ + // ------------------------------------------------------------------------- // XXX: DSL API - // ------------------------------------------------------------------------ - + // ------------------------------------------------------------------------- + @Override - public final TruncateFinalStep cascade() { - cascade = true; + public final TruncateImpl restartIdentity() { + this.restartIdentity = true; return this; } @Override - public final TruncateFinalStep restrict() { - cascade = false; + public final TruncateImpl continueIdentity() { + this.restartIdentity = false; return this; } @Override - public final TruncateCascadeStep restartIdentity() { - restartIdentity = true; + public final TruncateImpl cascade() { + this.cascade = true; return this; } @Override - public final TruncateCascadeStep continueIdentity() { - restartIdentity = false; + public final TruncateImpl restrict() { + this.cascade = false; return this; } - // ------------------------------------------------------------------------ + // ------------------------------------------------------------------------- // XXX: QueryPart API - // ------------------------------------------------------------------------ + // ------------------------------------------------------------------------- + + + + private static final Clause[] CLAUSES = { Clause.TRUNCATE }; @Override public final void accept(Context ctx) { @@ -136,7 +157,7 @@ final class TruncateImpl extends AbstractRowCountQuery impleme // All other dialects do default: { - ctx.start(TRUNCATE_TRUNCATE) + ctx.start(Clause.TRUNCATE_TRUNCATE) .visit(K_TRUNCATE_TABLE).sql(' ') .visit(table); @@ -162,7 +183,7 @@ final class TruncateImpl extends AbstractRowCountQuery impleme ctx.formatSeparator() .visit(cascade ? K_CASCADE : K_RESTRICT); - ctx.end(TRUNCATE_TRUNCATE); + ctx.end(Clause.TRUNCATE_TRUNCATE); break; } } @@ -172,4 +193,6 @@ final class TruncateImpl extends AbstractRowCountQuery impleme public final Clause[] clauses(Context ctx) { return CLAUSES; } + + }