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represents a Mssql-specific column More...
Public Member Functions | |
| constructor (string n, string nt, __7_ string qt, int sz, bool nul, __7_ string dv, __7_ string cm, softint bs, __7_ int scale) | |
| creates the column from the supplied arguments | |
| softlist | getAddColumnSql (AbstractTable t) |
| returns a list of sql strings that can be used to add the column to an existing table More... | |
| string | getDdlName (string name) |
| returns the column name with quoting in case the column name is a reserved word More... | |
| list | getModifySqlImpl (AbstractTable t, AbstractColumn col, __7_ 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 | getRenameSql (AbstractTable t, string new_name) |
| returns a string that can be used to rename the column More... | |
Public Attributes | |
| int | byte_size |
| byte size of the column | |
Protected Member Functions | |
| constructor () | |
| empty constructor for subclasses | |
| bool | equalImpl (AbstractColumn c) |
| returns True if the argument is equal to the current object, False if not | |
represents a Mssql-specific column
| softlist MssqlSqlUtilBase::MssqlColumn::getAddColumnSql | ( | AbstractTable | t | ) |
returns a list of sql strings that can be used to add the column to an existing table
| t | the SqlUtil::AbstractTable object to modify |
returns the column name with quoting in case the column name is a reserved word
the name returned here will be used when executing DDL
| list MssqlSqlUtilBase::MssqlColumn::getModifySqlImpl | ( | AbstractTable | t, |
| AbstractColumn | col, | ||
| __7_ 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 SqlUtil::AbstractTable object to modify |
| col | the new column definition |
| opt | column modification options (none are supported in this class) |
returns a string that can be used to rename the column
| t | the SqlUtil::AbstractTable object to modify |
| new_name | the new name for the column |