gudusoft.gsqlparser

Enum EQueryHint

java.lang.Object

java.lang.Enum<EQueryHint>

gudusoft.gsqlparser.EQueryHint

All Implemented Interfaces:

Serializable, Comparable<EQueryHint>

public enum EQueryHint
extends Enum<EQueryHint>

query hint type

See Also:

TQueryHint

Enum Constant Summary

Enum Constants

Enum Constant and Description
E_QUERY_HINT_CONCAT_UNION
E_QUERY_HINT_EXPAND_VIEWS
E_QUERY_HINT_FAST
E_QUERY_HINT_FORCE_ORDER
E_QUERY_HINT_HASH_GROUP
E_QUERY_HINT_HASH_JOIN
E_QUERY_HINT_HASH_UNION
E_QUERY_HINT_IGNORE_NONCLUSTERED_COLUMNSTORE_INDEX
E_QUERY_HINT_KEEP_PLAN
E_QUERY_HINT_KEEPFIXED_PLAN
E_QUERY_HINT_LOOP_JOIN
E_QUERY_HINT_MAXDOP
E_QUERY_HINT_MAXRECURSION
E_QUERY_HINT_MERGE_JOIN
E_QUERY_HINT_MERGE_UNION
E_QUERY_HINT_OPTIMIZE_FOR
E_QUERY_HINT_ORDER_GROUP
E_QUERY_HINT_PARAMETERIZATION
E_QUERY_HINT_QUERYTRACEON
E_QUERY_HINT_RECOMPILE
E_QUERY_HINT_ROBUST_PLAN
E_QUERY_HINT_TABLE_HINT
E_QUERY_HINT_UNKNOWN
E_QUERY_HINT_USE_PLAN

Method Summary

Modifier and Type	Method and Description
static EQueryHint	valueOf(String name) Returns the enum constant of this type with the specified name.
static EQueryHint[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

E_QUERY_HINT_UNKNOWN

public static final EQueryHint E_QUERY_HINT_UNKNOWN

E_QUERY_HINT_HASH_GROUP

public static final EQueryHint E_QUERY_HINT_HASH_GROUP

E_QUERY_HINT_ORDER_GROUP

public static final EQueryHint E_QUERY_HINT_ORDER_GROUP

E_QUERY_HINT_CONCAT_UNION

public static final EQueryHint E_QUERY_HINT_CONCAT_UNION

E_QUERY_HINT_HASH_UNION

public static final EQueryHint E_QUERY_HINT_HASH_UNION

E_QUERY_HINT_MERGE_UNION

public static final EQueryHint E_QUERY_HINT_MERGE_UNION

E_QUERY_HINT_LOOP_JOIN

public static final EQueryHint E_QUERY_HINT_LOOP_JOIN

E_QUERY_HINT_MERGE_JOIN

public static final EQueryHint E_QUERY_HINT_MERGE_JOIN

E_QUERY_HINT_HASH_JOIN

public static final EQueryHint E_QUERY_HINT_HASH_JOIN

E_QUERY_HINT_EXPAND_VIEWS

public static final EQueryHint E_QUERY_HINT_EXPAND_VIEWS

E_QUERY_HINT_FAST

public static final EQueryHint E_QUERY_HINT_FAST

E_QUERY_HINT_FORCE_ORDER

public static final EQueryHint E_QUERY_HINT_FORCE_ORDER

E_QUERY_HINT_IGNORE_NONCLUSTERED_COLUMNSTORE_INDEX

public static final EQueryHint E_QUERY_HINT_IGNORE_NONCLUSTERED_COLUMNSTORE_INDEX

E_QUERY_HINT_KEEP_PLAN

public static final EQueryHint E_QUERY_HINT_KEEP_PLAN

E_QUERY_HINT_KEEPFIXED_PLAN

public static final EQueryHint E_QUERY_HINT_KEEPFIXED_PLAN

E_QUERY_HINT_MAXDOP

public static final EQueryHint E_QUERY_HINT_MAXDOP

E_QUERY_HINT_MAXRECURSION

public static final EQueryHint E_QUERY_HINT_MAXRECURSION

E_QUERY_HINT_OPTIMIZE_FOR

public static final EQueryHint E_QUERY_HINT_OPTIMIZE_FOR

E_QUERY_HINT_PARAMETERIZATION

public static final EQueryHint E_QUERY_HINT_PARAMETERIZATION

E_QUERY_HINT_RECOMPILE

public static final EQueryHint E_QUERY_HINT_RECOMPILE

E_QUERY_HINT_ROBUST_PLAN

public static final EQueryHint E_QUERY_HINT_ROBUST_PLAN

E_QUERY_HINT_USE_PLAN

public static final EQueryHint E_QUERY_HINT_USE_PLAN

E_QUERY_HINT_TABLE_HINT

public static final EQueryHint E_QUERY_HINT_TABLE_HINT

E_QUERY_HINT_QUERYTRACEON

public static final EQueryHint E_QUERY_HINT_QUERYTRACEON

Method Detail

values

public static EQueryHint[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (EQueryHint c : EQueryHint.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static EQueryHint valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null