public abstract class SDriverHSQLH2 extends SDriver
SDriver.supportsLocking()
.SDriver.OffsetStrategy
Constructor and Description |
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SDriverHSQLH2() |
Modifier and Type | Method and Description |
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protected java.lang.String |
columnTypeSQL(SFieldScalar field,
java.lang.String defalt)
Used to override the default.
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protected java.lang.String |
createSequenceDDL(java.lang.String name) |
protected java.lang.String |
dropSequenceDDL(java.lang.String name) |
protected long |
generateKeySequence(SRecordMeta<?> rec,
SFieldScalar keyFld) |
protected SDriver.OffsetStrategy |
getOffsetStrategy()
JDBC prefered, if jdbc driver has a sensible scrollable resultset implemntation
QUERY if database would handle it better via some proprietary sql extension (eg.
|
protected java.lang.String |
limitSQL(long offset,
long limit)
Drivers that choose to implement a QUERY offset strategy
should return the limit statment here
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boolean |
supportsKeySequences() |
boolean |
supportsLocking()
HSQL has a major hole but optimistic locking papers over it.
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addNull, alterTableAddColumnSQL, alterTableDropColumnSQL, appendColumnName, appendQuotedIdentifier, appendQuotedIdentifier, appendTableName, clauseSeparator, createTableSQL, deleteSQL, driverName, dropTableNoError, foreignKeysSQL, forUpdateSQL, fromSQL, generateKeySelectMax, getLogger, getSession, indexKeySQL, insertSQL, joinSQL, makeForeignKeyIndexSQL, mapForeignKeys, maxIdentNameLength, postColumnSQL, postFromSQL, postTablePostParenSQL, postTablePreParenSQL, primaryKeySQL, queryExecuteFactory, registerDriver, selectSQL, selectSQL, updateSQL, whereSQL, wholeColumnSQL
public boolean supportsLocking()
supportsLocking
in class SDriver
protected java.lang.String columnTypeSQL(SFieldScalar field, java.lang.String defalt)
SDriver
columnTypeSQL
in class SDriver
protected long generateKeySequence(SRecordMeta<?> rec, SFieldScalar keyFld)
generateKeySequence
in class SDriver
public boolean supportsKeySequences()
supportsKeySequences
in class SDriver
protected java.lang.String createSequenceDDL(java.lang.String name)
createSequenceDDL
in class SDriver
protected java.lang.String dropSequenceDDL(java.lang.String name)
dropSequenceDDL
in class SDriver
protected SDriver.OffsetStrategy getOffsetStrategy()
SDriver
Defaults to BULK
getOffsetStrategy
in class SDriver
protected java.lang.String limitSQL(long offset, long limit)
SDriver