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11.3. Costing Updates

See Red Hat JBoss Data Virtualization Development Guide: Reference Material for the system procedures SYSADMIN.setColumnStats and SYSADMIN.setTableStats. To make costing updates persistent MetadataRepository implementations should be provided for the following methods: 
TableStats getTableStats(String vdbName, int vdbVersion, Table table);
void setTableStats(String vdbName, int vdbVersion, Table table, TableStats tableStats);
ColumnStats getColumnStats(String vdbName, int vdbVersion, Column column);
void setColumnStats(String vdbName, int vdbVersion, Column column, ColumnStats columnStats);