The following parameters of this SYNCSORT control statement are supported in MFSORT and MFJSORT. To enable this support, set the MFJSENGINE environment variable.
>--MERGE--FIELDS=-(logical-expression)--FORMAT=f-----<<
In this COBOL system, the following parameter fields for this control statement are only parsed and ignored:
| Parameter | Fields | 
|---|---|
| FIELDS | (FILSZ=x | size=y] | 
Use the following table as a guide to help you understand the options that are ignored:
| Symbol | Meaning | 
|---|---|
| (...) | Options within these brackets are required. | 
| [...] | Options with these brackets are optional. | 
| + | This symbol follows a set of required or optional brackets to indicate that more than one option can be specified, delimited by a comma. | 
| | | This symbol delimits options enclosed in required or optional brackets, to indicate a choice from these options. | 
The following options for the logical-expression field are supported:
>--relational-condition1--.----------------------------------------.---<<
                          | +-------------------.---------------+  |
                          | V                                   |  |
                          +-.-,-.-AND-.--,relational-condition2-.--.
                                +-OR--+ 
                  		The following options for the relational-expression field are supported:
>--.-(p1,m1.---------.,binary-operator,-.-p2,m2,format-.)----------------.-->
   |       +-,format-+                  +-constant-----+                 |
   |                                                                     |
   +-(p1,m1,.-----.-.-EQ-.-,-.-constant-.-)------------------------------+
   |        +-SS,-+ +-NE-+   +-NUM------+                                |
   |                                                                     |
   +-(p1,m1,format,-.-EQ-.-,-NUM)----------------------------------------|
   |                +-NE-+                                               |
   |                                                                     |
   +-(p1,m1,-.----.-,-bit-operator,-mask)--------------------------------|
   |         +-BI-+                                                      |
   |                                                                     |
   +-(p1,m1,-.-------------.-,-binary-operator,-.-p2,m2,-.------------.)-+
             +-date-format-+                    |        +date-format-+ 
                                                +-constant------------+ 
                  		The following field formats are supported, where applicable:
| Field | Supported formats | 
|---|---|
| Binary-operator | EQ, GE, GT, LE, LT, NE. | 
| Bit-operator | ALL, BM, BNM, BNO, BNZ, BO, BZ, NONE, NOTALL, NOTNONE, NOTSOME, SOME. | 
| Date-format | Y2B, Y2C, Y2D, Y2P, Y2S, Y2T, Y2U, Y2V, Y2W, Y2X, Y2Y, Y2Z, Y2TP, Y2UP, Y2VP, Y2WP, Y2XP, Y2YP. | 
| Format | AQ, BI, CH, CLO, CSF, CSL, CST, CTO, FI, FL, FS, LS, OL, OT, PD, PD0, SB, SS, TS, ZD. |