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left(), right(): Remove NULL from valid 2nd arg types#2966

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nafraf wants to merge 3 commits intoRedisGraph:masterfrom
nafraf:bug#left-right-null-len
Open

left(), right(): Remove NULL from valid 2nd arg types#2966
nafraf wants to merge 3 commits intoRedisGraph:masterfrom
nafraf:bug#left-right-null-len

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@nafraf
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@nafraf nafraf commented Mar 17, 2023

This patch is to solve this small bug:

GRAPH.QUERY g "RETURN left('abc', 0.5)"
(error) Type mismatch: expected Integer or Null but was Float
GRAPH.QUERY g "RETURN left('abc', null)"
(error) length must be a non-negative integer

The reply to the first call states that Null is a valid type for the second parameter, while actually it is not.
Same for right().
When passing Null we should receive Type mismatch: expected Integer.

After applying the patch:

GRAPH.QUERY g "RETURN left('abc', 0.5)"
(error) Type mismatch: expected Integer but was Float
GRAPH.QUERY g "RETURN left('abc', null)"
(error) Type mismatch: expected Integer but was Null

@nafraf nafraf marked this pull request as ready for review March 17, 2023 15:38
types = array_new(SIType, 2);
array_append(types, (T_STRING | T_NULL));
array_append(types, T_INT64 | T_NULL);
array_append(types, T_INT64);
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now need to fix the function itself

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codecov bot commented Mar 19, 2023

Codecov Report

Patch coverage: 83.33% and no project coverage change.

Comparison is base (fb9e46c) 90.34% compared to head (2b8a01a) 90.34%.

Additional details and impacted files
@@           Coverage Diff           @@
##           master    #2966   +/-   ##
=======================================
  Coverage   90.34%   90.34%           
=======================================
  Files         283      283           
  Lines       28042    28044    +2     
=======================================
+ Hits        25334    25336    +2     
  Misses       2708     2708           
Impacted Files Coverage Δ
src/arithmetic/string_funcs/string_funcs.c 96.85% <83.33%> (-0.41%) ⬇️

... and 4 files with indirect coverage changes

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2 participants