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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/connect/tabxcl.h
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/connect/tabxcl.h')
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1 files changed, 104 insertions, 0 deletions
diff --git a/storage/connect/tabxcl.h b/storage/connect/tabxcl.h
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+// TABXCL.H Olivier Bertrand 2013
+// Defines the XCOL tables
+
+#include "tabutil.h"
+
+typedef class XCLDEF *PXCLDEF;
+typedef class TDBXCL *PTDBXCL;
+typedef class XCLCOL *PXCLCOL;
+
+/* -------------------------- XCOL classes --------------------------- */
+
+/***********************************************************************/
+/* XCOL: table having one column containing several values comma */
+/* (or any other character) separated. When creating the table, the */
+/* name of the X column is given by the NAME option. */
+/* This sample has a limitation: */
+/* - The X column has the same length than in the physical file. */
+/* This tables produces as many rows for a physical row than the */
+/* number of items in the X column (eventually 0). */
+/***********************************************************************/
+
+/***********************************************************************/
+/* XCL table. */
+/***********************************************************************/
+class XCLDEF : public PRXDEF { /* Logical table description */
+ friend class TDBXCL;
+ public:
+ // Constructor
+ XCLDEF(void);
+
+ // Implementation
+ virtual const char *GetType(void) {return "XCL";}
+
+ // Methods
+ virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
+ virtual PTDB GetTable(PGLOBAL g, MODE mode);
+
+ protected:
+ // Members
+ char *Xcol; /* The column containing separated fields */
+ char Sep; /* The field separator, defaults to comma */
+ int Mult; /* Multiplication factor */
+ }; // end of XCLDEF
+
+/***********************************************************************/
+/* This is the class declaration for the XCOL table. */
+/***********************************************************************/
+class TDBXCL : public TDBPRX {
+ friend class XCLDEF;
+ friend class PRXCOL;
+ friend class XCLCOL;
+ public:
+ // Constructor
+ TDBXCL(PXCLDEF tdp);
+
+ // Implementation
+ virtual AMT GetAmType(void) {return TYPE_AM_XCOL;}
+
+ // Methods
+ virtual void ResetDB(void) {N = 0; Tdbp->ResetDB();}
+ virtual int RowNumber(PGLOBAL g, bool b = FALSE);
+
+ // Database routines
+ virtual PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n);
+ virtual int GetMaxSize(PGLOBAL g);
+ virtual bool OpenDB(PGLOBAL g);
+ virtual int ReadDB(PGLOBAL g);
+
+ protected:
+ // Members
+ char *Xcolumn; // Multiple column name
+ PXCLCOL Xcolp; // To the XCVCOL column
+ int Mult; // Multiplication factor
+ int N; // The current table index
+ int M; // The occurrence rank
+ BYTE RowFlag; // 0: Ok, 1: Same, 2: Skip
+ bool New; // TRUE for new line
+ char Sep; // The Xcol separator
+ }; // end of class TDBXCL
+
+/***********************************************************************/
+/* Class XCLCOL: for the multiple CSV column. */
+/***********************************************************************/
+class XCLCOL : public PRXCOL {
+ friend class TDBXCL;
+ public:
+ // Constructors
+ XCLCOL(PCOLDEF cdp, PTDB tdbp, PCOL cprec, int i);
+
+ // Methods
+ using PRXCOL::Init;
+ virtual void Reset(void) {} // Evaluated only by TDBXCL
+ virtual void ReadColumn(PGLOBAL g);
+ virtual bool Init(PGLOBAL g, PTDB tp = NULL);
+
+ protected:
+ // Default constructor not to be used
+ XCLCOL(void) = default;
+
+ // Members
+ char *Cbuf; // The column buffer
+ char *Cp; // Pointer to current position
+ char Sep; // The separator
+ }; // end of class XCLCOL