public String dropIndex(Index index, boolean quoteIdentifiers, boolean qualifyNames) {
return DROP
+ SPACE
+ INDEX
+ SPACE
+ getName(index.getTable(), quoteIdentifiers, qualifyNames)
+ DOT
+ getName(index, quoteIdentifiers, false)
+ NEWLINE;
}
public String dropTableConstraint(
Index uniqueIndex, boolean quoteIdentifiers, boolean qualifyNames) {
return ALTER
+ SPACE
+ TABLE
+ SPACE
+ getName(uniqueIndex.getTable(), quoteIdentifiers, qualifyNames)
+ " DROP CONSTRAINT "
+ getName(uniqueIndex, quoteIdentifiers, false)
+ NEWLINE; //$NON-NLS-1$
}
public ReferenceConstraint findConstraintByIndex(Index index) {
Iterator it = this.elements.iterator();
while (it.hasNext()) {
Object elem = it.next();
if (elem instanceof ReferenceConstraint
&& ((ReferenceConstraint) elem).getName().equals(index.getName())) {
return (ReferenceConstraint) elem;
}
}
return null;
}
public String addUniqueConstraint(
Index constraint, boolean quoteIdentifiers, boolean qualifyNames) {
String statement =
ALTER
+ SPACE
+ TABLE
+ SPACE
+ getName(constraint.getTable(), quoteIdentifiers, qualifyNames)
+ SPACE;
statement += this.getAddUniqueConstraintClause(constraint, quoteIdentifiers);
return statement + NEWLINE;
}
public String createIndex(Index index, boolean quoteIdentifiers, boolean qualifyNames) {
String statement = CREATE + SPACE;
if (index.isUnique()) {
statement += UNIQUE + SPACE;
}
statement +=
INDEX
+ SPACE
+ getName(index, quoteIdentifiers, false)
+ SPACE
+ ON
+ SPACE
+ getName(index.getTable(), quoteIdentifiers, qualifyNames)
+ SPACE
+ LEFT_PARENTHESIS
+ getIndexKeyColumns(index, quoteIdentifiers)
+ RIGHT_PARENTHESIS;
statement +=
NEWLINE + WITH + SPACE + LEFT_PARENTHESIS + generateIndexOptions(index) + RIGHT_PARENTHESIS;
return statement + NEWLINE;
}
public String addForeignKey(
ForeignKey foreignKey, boolean quoteIdentifiers, boolean qualifyNames) {
UniqueConstraint uniqueConstraint = foreignKey.getUniqueConstraint();
Index index = foreignKey.getUniqueIndex();
Table parentTable = null;
String parentKey = null;
if (uniqueConstraint != null) {
parentTable = uniqueConstraint.getBaseTable();
parentKey = this.getKeyColumns(uniqueConstraint, quoteIdentifiers);
} else if (index != null) {
parentTable = index.getTable();
parentKey = this.getParentKeyColumns(index, quoteIdentifiers);
}
if (parentTable == null) {
this.getEngineeringCallBack()
.writeMessage(
MessageFormat.format(
GenericCatalogMessages.FE_PARENT_TABLLE_OR_KEY_DO_NOT_EXIST,
new Object[] {foreignKey.getName()}));
return null;
}
String statement =
ALTER
+ SPACE
+ TABLE
+ SPACE
+ getName(foreignKey.getBaseTable(), quoteIdentifiers, qualifyNames)
+ SPACE
+ ADD
+ SPACE
+ CONSTRAINT
+ SPACE
+ getName(foreignKey, quoteIdentifiers)
+ SPACE
+ FOREIGN_KEY
+ SPACE
+ LEFT_PARENTHESIS
+ this.getKeyColumns(foreignKey, quoteIdentifiers)
+ RIGHT_PARENTHESIS
+ NEWLINE;
statement +=
TAB
+ REFERENCES
+ SPACE
+ getName(parentTable, quoteIdentifiers, qualifyNames)
+ SPACE
+ LEFT_PARENTHESIS
+ parentKey
+ RIGHT_PARENTHESIS;
ReferentialActionType action = foreignKey.getOnDelete();
if (action != ReferentialActionType.RESTRICT_LITERAL
&& action != ReferentialActionType.NO_ACTION_LITERAL) {
statement += NEWLINE + TAB + ON + SPACE + DELETE + SPACE;
statement += getReferentialAction(action);
}
action = foreignKey.getOnUpdate();
if (action != ReferentialActionType.RESTRICT_LITERAL
&& action != ReferentialActionType.NO_ACTION_LITERAL) {
statement += NEWLINE + TAB + ON + SPACE + UPDATE + SPACE;
statement += getReferentialAction(action);
}
if (foreignKey.isDeferrable()) {
statement += NEWLINE + TAB + getDeferrableClause(foreignKey);
}
return statement + NEWLINE;
}
