[TAJO-391] Change the default type of real values from FLOAT4 to FLOAT8 when parsing the user queries

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.8.0
• Component/s: Function/UDF
• Assignee: DaeMyung Kang
• Reporter: DaeMyung Kang
• Created: 06/Dec/13 14:10
• Updated: 07/Dec/13 21:23
• Resolved: 07/Dec/13 13:32

Description

FLOAT4 is default parsed float type in tajo.
but it can cause some trobles when we use it as FLOAT8.

for examples.
0.4(f) will changed to 0.40000000000005(d)

so it cause different result from java.Math functions.