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Interface implemented by Db to be able to pass a JDBC connection to a time operator (e.g. Windowing), in the case that stored procedures are not available and the same classes are run outside the database.
Method Summary | |
java.sql.Connection |
getDatabaseConnectionForData()
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java.lang.String |
getNameOfNumericDatatype()
Returns the name that the underlying DBMS uses for numeric datatypes. |
java.lang.String |
getSelectStringForColumnDataType(java.lang.String owner,
java.lang.String tableName,
java.lang.String columnName)
This method returns the DBMS-dependent SQL command that returns the name of the datatype of the given column in the given table or view (which is owned by the given owner). |
Method Detail |
public java.sql.Connection getDatabaseConnectionForData() throws java.lang.Exception
Connection
to the business database schema.
an
- exception, if no Connection
could be established.
java.lang.Exception
public java.lang.String getSelectStringForColumnDataType(java.lang.String owner, java.lang.String tableName, java.lang.String columnName)
owner
- Name of the owner of the table or viewtableName
- Name of a table or view in the business schemacolumnName
- Name of the column whose datatype is returned
public java.lang.String getNameOfNumericDatatype()
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