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Qore SqlUtil Module Reference
1.4.4
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the base class for column information More...
Public Member Functions | |
| bool | equal (AbstractColumn c) |
| returns True if the argument is equal to the current object, False if not | |
| abstract list | getAddColumnSql (AbstractTable t) |
| returns a list of sql strings that can be used to add the column to an existing table More... | |
| string | getCreateSql (AbstractTable t) |
| returns an sql string that can be used to add the column to a table | |
| string | getDropSql (string table_name) |
| returns a string that can be used to drop the column from the table | |
| list | getModifySql (AbstractTable t, AbstractColumn c, *hash opt) |
| returns a list of sql strings that can be used to modify the column to the new definition; if the column definitions are identical then an empty list is returned More... | |
| string | getNativeTypeString () |
| returns the string describing the native type that can be used in SQL (for example to add the colunn to a table or when creating the table) | |
| abstract string | getRenameSql (AbstractTable t, string new_name) |
| returns a string that can be used to rename the column More... | |
Public Attributes | |
| *string | comment |
| comment on the column | |
| *string | def_val |
| default value for column | |
| string | name |
| the name of the column | |
| string | native_type |
| the native type name of the column | |
| bool | nullable |
| True if the column can hold a NULL value, False if not | |
| *string | qore_type |
| the equivalent qore type name of the column if known | |
| int | size |
| the size of the column | |
Private Member Functions | |
| abstract bool | equalImpl (AbstractColumn c) |
| returns True if the argument is equal to the current object, False if not | |
| abstract list | getModifySqlImpl (AbstractTable t, AbstractColumn c, *hash opt) |
| returns a list of sql strings that can be used to modify the column to the new definition; if the column definitions are identical then an empty list is returned More... | |
the base class for column information
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pure virtual |
returns a list of sql strings that can be used to add the column to an existing table
| t | the AbstractTable object to modify |
| list SqlUtil::AbstractColumn::getModifySql | ( | AbstractTable | t, |
| AbstractColumn | c, | ||
| *hash | opt | ||
| ) |
returns a list of sql strings that can be used to modify the column to the new definition; if the column definitions are identical then an empty list is returned
The column names are assumed to be equal.
| t | the AbstractTable object to modify |
| c | the new column definition |
| opt | column modification options (if supported by the underlying driver) |
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privatepure virtual |
returns a list of sql strings that can be used to modify the column to the new definition; if the column definitions are identical then an empty list is returned
The column names are assumed to be equal.
| t | the AbstractTable object to modify |
| c | the new column definition |
| opt | column modification options (if supported by the underlying driver) |
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pure virtual |
returns a string that can be used to rename the column
| t | the AbstractTable object to modify |
| new_name | the new name for the column |