X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/90e572f1e5af1e51fd14e2e1e6f64fa3e258e590..aaa6f9ba6bd0be1fe6a34800e6f753ffdc49900c:/docs/latex/wx/db.tex?ds=sidebyside diff --git a/docs/latex/wx/db.tex b/docs/latex/wx/db.tex index f0039b5fd4..88cd6ca6e3 100644 --- a/docs/latex/wx/db.tex +++ b/docs/latex/wx/db.tex @@ -2457,7 +2457,7 @@ this function. \param{UWORD }{numIndexColumns}, \param{wxDbIdxDef *}{pIndexDefs}, \param{bool }{attemptDrop=true}} -This member function allows you to create secondary (non primary) indexes on +This member function allows you to create secondary (non-primary) indexes on your tables. You first create your table, normally specifying a primary index, and then create any secondary indexes on the table. Indexes in relational model are not required. You do not need indexes to look up records @@ -2782,7 +2782,7 @@ of this function). \wxheading{Parameters} -\docparam{From}{A comma separated list of table names that are to be outer +\docparam{From}{A comma separated list of table names that are to be inner joined with the base table's columns so that the joined table's columns may be returned in the result set or used as a portion of a comparison with the base table's columns. NOTE that the base tables name must NOT be included @@ -3257,7 +3257,7 @@ records to be retrieved (e.g. All users with a first name of "JOHN"). Use \helpref{wxDbTable::SetOrderByClause}{wxdbtablesetorderbyclause} to change the sequence in which records are returned in the result set from the datasource (e.g. Ordered by LAST\_NAME). Use -\helpref{wxDbTable::SetFromClause}{wxdbtablesetfromclause} to allow outer +\helpref{wxDbTable::SetFromClause}{wxdbtablesetfromclause} to allow inner joining of the base table (the one being associated with this instance of wxDbTable) with other tables which share a related field. @@ -3572,6 +3572,8 @@ wxDbTable constructor was called.} DB_DATA_TYPE_INTEGER : non-floating point numbers DB_DATA_TYPE_FLOAT : floating point numbers DB_DATA_TYPE_DATE : dates + DB_DATA_TYPE_BLOB : binary large objects + DB_DATA_TYPE_MEMO : large strings \end{verbatim} \docparam{pData}{Pointer to the data object that will hold the column's @@ -3689,14 +3691,14 @@ and saving a pointer to that cursor. \func{void}{SetFromClause}{\param{const wxString \&}{From}} Accessor function for setting the private class member wxDbTable::from -that indicates what other tables should be outer joined with the wxDbTable's +that indicates what other tables should be inner joined with the wxDbTable's base table for access to the columns in those other tables. Synonym to this function is one form of \helpref{wxDbTable::From}{wxdbtablefrom} \wxheading{Parameters} -\docparam{From}{A comma separated list of table names that are to be outer +\docparam{From}{A comma separated list of table names that are to be inner joined with the base table's columns so that the joined table's columns may be returned in the result set or used as a portion of a comparison with the base table's columns. NOTE that the base tables name must NOT be included @@ -3706,7 +3708,7 @@ in constructing query statements.} \wxheading{Remarks} Used by the \helpref{wxDbTable::Query}{wxdbtablequery} and -\helpref{wxDbTable::Count}{wxdbtablecount} member functions to allow outer +\helpref{wxDbTable::Count}{wxdbtablecount} member functions to allow inner joining of records from multiple tables. Do {\bf not} include the keyword "FROM" when setting the FROM clause. @@ -3721,7 +3723,7 @@ the datasource knows on which column values the tables should be joined on. \begin{verbatim} ... // Base table is the "LOCATION" table, and it is being - // outer joined to the "PART" table via the field "PART_NUMBER" + // inner joined to the "PART" table via the field "PART_NUMBER" // that can be related between the two tables. location->SetWhereClause("LOCATION.PART_NUMBER = PART.PART_NUMBER") location->SetFromClause("PART"); @@ -3855,7 +3857,7 @@ Do {\bf not} include the keywords "WHERE" when setting the WHERE clause. // Using parameters and multiple logical combinations parts->Where("((QTY > 10) OR (ON_ORDER > 0)) AND ON_HOLD = 0"); ... - // This query uses an outer join (requiring a FROM clause also) + // This query uses an inner join (requiring a FROM clause also) // that joins the PART and LOCATION table on he common field // PART_NUMBER. parts->Where("PART.ON_HOLD = 0 AND \