001package gudusoft.gsqlparser;
002
003
004/**
005 * subtype of alter column in alter table statement.
006 */
007public enum EAlterColumnSubType {
008    SetDefault,
009    DropDefault,
010    DropNotNull,
011    DropExpression,
012    DropExpressionIfExists,
013    DropIdentity,
014    DropIdentityIfExists,
015    SetNotNull,
016    SetStatistics,
017    SetOptions,
018    ResetOptions,
019    SetStorage,
020    SetDataType,
021    AddGenerated,
022    AlterGenericOptions,
023    AlterIdentity,
024    Comment,
025    SetMaskingPolicy,
026    UnsetMaskingPolicy,
027    SetTag,
028    UnsetTag,
029    SetProjectionPolicy,
030    UnsetProjectionPolicy,
031    UnsetComment,
032    unknown,
033}