IndexDef constructor
IndexDef(})
Implementation
IndexDef(this.name, this.column,
{this.unique = false,
this.whereSql,
this.exprSql,
List<String>? columns,
List<String>? collations})
: columns = columns ?? [column],
collations = collations ??
List<String>.filled((columns ?? [column]).length, 'BINARY');