DMSQT1.m

DMSQT1 ;SFISC/EZ-STATUS CHECK ;11/13/97  12:08

 ;;22.0;VA FileMan;;Mar 30, 1999

 ;Per VHA Directive 10-93-142, this routine should not be modified.

 Q

WAIT() ; extrinsic function, checks if SQLI is running (you must wait)

 ; returns 1 if nodes in ^DMSQ are changing, null otherwise

 D DT^DICRW N J,FLG,DM S FLG=""

 D SET H 2 D CHK

 I FLG Q 1

 E  Q ""

SET ; set the DM array with current record counts

 S J=""

 F  S J=$O(^DMSQ(J)) Q:J=""  S DM(J)=$P(^(J,0),U,3)

 Q

CHK ; check whether the counts have changed

 S J=""

 F  S J=$O(^DMSQ(J)) Q:J=""  S:DM(J)'=$P(^(J,0),U,3) FLG=1

 Q

IDX(TI) ; extrinsic function, checks for indexes on table TI

 ; returns 1 if there are more indexes to process

 ; see INDEX^DMSQF2 for similar index checking code

 N F,FI,IN,I,IF,IX,CI,FLG D DT^DICRW S FLG=""

 S F=$P(^DMSQ("T",TI,0),U,7)

 S FI=0 F  S FI=$O(^DD(F,FI)) Q:'FI  D

 . S IN=0 F  S IN=$O(^DD(F,FI,1,IN)) Q:'IN  D

 .. S I=$G(^DD(F,FI,1,IN,0))

 .. I $P(I,U,3)]"" Q   ; not a regular index

 .. I I="" Q           ; no data at DD location

 .. S IF=+I,IX=$P(I,U,2) I IX=""!'IF Q  ; no file # or index name

 .. I $G(^DD(F,FI,1,IN,1))'[",DA)" Q  ; last subscript isn't DA

 .. S CI=$O(^DMSQ("C","D",F,FI,"")) Q:'CI  ; missing column

 .. S FLG=2  ; this index is a candidate for projection

 I FLG=2 Q 1

 E  Q ""

DMSQT1    ;SFISC/EZ-STATUS CHECK ;11/13/97  12:08

 +1       ;;22.0;VA FileMan;;Mar 30, 1999

 +2       ;Per VHA Directive 10-93-142, this routine should not be modified.

 +3        QUIT 

WAIT()    ; extrinsic function, checks if SQLI is running (you must wait)

 +1       ; returns 1 if nodes in ^DMSQ are changing, null otherwise

 +2        DO DT^DICRW

           NEW J,FLG,DM

           SET FLG=""

 +3        DO SET

           HANG 2

           DO CHK

 +4        IF FLG

               QUIT 1

 +5       IF '$TEST

               QUIT ""

SET       ; set the DM array with current record counts

 +1        SET J=""

 +2        FOR 

               SET J=$ORDER(^DMSQ(J))

               IF J=""

                   QUIT 

               SET DM(J)=$PIECE(^(J,0),U,3)

 +3        QUIT 

CHK       ; check whether the counts have changed

 +1        SET J=""

 +2        FOR 

               SET J=$ORDER(^DMSQ(J))

               IF J=""

                   QUIT 

               IF DM(J)'=$PIECE(^(J,0),U,3)

                   SET FLG=1

 +3        QUIT 

IDX(TI)   ; extrinsic function, checks for indexes on table TI

 +1       ; returns 1 if there are more indexes to process

 +2       ; see INDEX^DMSQF2 for similar index checking code

 +3        NEW F,FI,IN,I,IF,IX,CI,FLG

           DO DT^DICRW

           SET FLG=""

 +4        SET F=$PIECE(^DMSQ("T",TI,0),U,7)

 +5        SET FI=0

           FOR 

               SET FI=$ORDER(^DD(F,FI))

               IF 'FI

                   QUIT 

               Begin DoDot:1

 +6                SET IN=0

                   FOR 

                       SET IN=$ORDER(^DD(F,FI,1,IN))

                       IF 'IN

                           QUIT 

                       Begin DoDot:2

 +7                        SET I=$GET(^DD(F,FI,1,IN,0))

 +8       ; not a regular index

                           IF $PIECE(I,U,3)]""

                               QUIT 

 +9       ; no data at DD location

                           IF I=""

                               QUIT 

 +10      ; no file # or index name

                           SET IF=+I

                           SET IX=$PIECE(I,U,2)

                           IF IX=""!'IF

                               QUIT 

 +11      ; last subscript isn't DA

                           IF $GET(^DD(F,FI,1,IN,1))'[",DA)"

                               QUIT 

 +12      ; missing column

                           SET CI=$ORDER(^DMSQ("C","D",F,FI,""))

                           IF 'CI

                               QUIT 

 +13      ; this index is a candidate for projection

                           SET FLG=2

                       End DoDot:2

               End DoDot:1

 +14       IF FLG=2

               QUIT 1

 +15      IF '$TEST

               QUIT ""