[CALCITE-3683] Enhanced MATH Function

• Type: Task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: core
• Assignee: Forward Xu
• Reporter: Forward Xu
• Created: 05/Jan/20 07:04
• Updated: 10/Jan/20 05:20

Description

I recently checked java's math function and found that some functions in calcite are not supported. So I made some comparisons with some commonly used databases with these functions. The comparison details are in the attachment.

Sub-Tasks

• Implement DECREMENTEXACT function: Open
• Implement GETEXPONENT function: Open
• Implement HYPOT function: Open
• Implement INCREMENTEXACT function: Open
• Implement MULTIPLYEXACT function: Open
• Implement NEGATEEXACT function: Open
• Implement NEXTAFTER function: Open
• Implement NEXTUP function: Open
• Implement NEXTDOWN function: Open
• Implement POWEROFTWOD function: Open
• Implement POWEROFTWOF function: Open
• Implement RINT function: Open
• Implement SCALB function: Open
• Implement SUBTRACTEXACT function: Open
• Implement TOINTEXACT function: Open
• Implement ULP function: Open