CREATE EDGE TYPE ZEdg IF NOT EXISTS;
CREATE PROPERTY ZEdg.a IF NOT EXISTS STRING (MANDATORY TRUE);
CREATE PROPERTY ZEdg.b IF NOT EXISTS STRING (MANDATORY TRUE);
CREATE PROPERTY ZEdg.c IF NOT EXISTS STRING (MANDATORY TRUE);

//ERROR: The property 'b' is mandatory, but not found on record: @ZEdg[a=aVal,c=cVal,null=null]
CREATE EDGE ZEdg FROM #1249:0 TO #1249:1 SET a='aVal', b='bVal', c='cVal';

//ERROR: The property 'c' is mandatory, but not found on record: @ZEdg[a=aVal,b=bVal,null=null]
CREATE EDGE ZEdg FROM #1249:0 TO #1249:1 SET a='aVal',c='cVal', b='bVal';