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Updated to state INNER join rather than OUTER join

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36355 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
2005-12-10 00:28:16 +00:00
parent e15f0a5ea3
commit 90e7e2775f
1 changed files with 7 additions and 7 deletions
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14
docs/latex/wx/db.tex
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@@ -2782,7 +2782,7 @@ of this function).
\wxheading{Parameters} \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 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 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 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 Use \helpref{wxDbTable::SetOrderByClause}{wxdbtablesetorderbyclause} to
change the sequence in which records are returned in the result set from change the sequence in which records are returned in the result set from
the datasource (e.g. Ordered by LAST\_NAME). Use 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 joining of the base table (the one being associated with this instance of
wxDbTable) with other tables which share a related field. wxDbTable) with other tables which share a related field.
@@ -3689,14 +3689,14 @@ and saving a pointer to that cursor.
\func{void}{SetFromClause}{\param{const wxString \&}{From}} \func{void}{SetFromClause}{\param{const wxString \&}{From}}
Accessor function for setting the private class member wxDbTable::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. base table for access to the columns in those other tables.
Synonym to this function is one form of \helpref{wxDbTable::From}{wxdbtablefrom} Synonym to this function is one form of \helpref{wxDbTable::From}{wxdbtablefrom}
\wxheading{Parameters} \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 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 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 the base table's columns. NOTE that the base tables name must NOT be included
@@ -3706,7 +3706,7 @@ in constructing query statements.}
\wxheading{Remarks} \wxheading{Remarks}
Used by the \helpref{wxDbTable::Query}{wxdbtablequery} and 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. joining of records from multiple tables.
Do {\bf not} include the keyword "FROM" when setting the FROM clause. Do {\bf not} include the keyword "FROM" when setting the FROM clause.
@@ -3721,7 +3721,7 @@ the datasource knows on which column values the tables should be joined on.
\begin{verbatim} \begin{verbatim}
... ...
// Base table is the "LOCATION" table, and it is being // 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. // that can be related between the two tables.
location->SetWhereClause("LOCATION.PART_NUMBER = PART.PART_NUMBER") location->SetWhereClause("LOCATION.PART_NUMBER = PART.PART_NUMBER")
location->SetFromClause("PART"); location->SetFromClause("PART");
@@ -3855,7 +3855,7 @@ Do {\bf not} include the keywords "WHERE" when setting the WHERE clause.
// Using parameters and multiple logical combinations // Using parameters and multiple logical combinations
parts->Where("((QTY > 10) OR (ON_ORDER > 0)) AND ON_HOLD = 0"); 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 // that joins the PART and LOCATION table on he common field
// PART_NUMBER. // PART_NUMBER.
parts->Where("PART.ON_HOLD = 0 AND \ parts->Where("PART.ON_HOLD = 0 AND \