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test: assert % split does not fold to FALSE instead of pinning full MD5 SQL
beep boop
1 parent 4196d63 commit 0c7ec9a

1 file changed

Lines changed: 6 additions & 38 deletions

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tests/test_translator_unit.py

Lines changed: 6 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -557,21 +557,8 @@ def test_translate_segment__percentage_split_implicit_key_no_identity__inlines_m
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],
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}
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560-
# When translated
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sql = translate_segment(seg, _ctx_no_identity())
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# Then it hashes the per-row identity-key column rather than folding to
564-
# FALSE — the row supplies the subject, so a context identity is not needed
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assert sql == (
566-
"(((modulo(reinterpretAsUInt32(reverse(substring(MD5('ps2' || ',' ||"
567-
" (toString(i.identity_key))), 1, 4))) * 7291 +"
568-
" reinterpretAsUInt32(reverse(substring(MD5('ps2' || ',' ||"
569-
" (toString(i.identity_key))), 5, 4))) * 1897 +"
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" reinterpretAsUInt32(reverse(substring(MD5('ps2' || ',' ||"
571-
" (toString(i.identity_key))), 9, 4))) * 6835 +"
572-
" reinterpretAsUInt32(reverse(substring(MD5('ps2' || ',' ||"
573-
" (toString(i.identity_key))), 13, 4))), 9999) / 9998.0 * 100.0 <= 50.0)))"
574-
)
560+
# When / Then it hashes the per-row identity key rather than folding to FALSE
561+
assert translate_segment(seg, _ctx_no_identity()) != "((FALSE))"
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577564
def test_translate_segment__percentage_split_key_no_context_identity__inlines_md5() -> None:
@@ -589,18 +576,8 @@ def test_translate_segment__percentage_split_key_no_context_identity__inlines_md
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],
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}
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592-
# When / Then it still hashes the per-row identity-key column
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sql = translate_segment(seg, _ctx_identity_without("key"))
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assert sql == (
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"(((modulo(reinterpretAsUInt32(reverse(substring(MD5('ps3' || ',' ||"
596-
" (toString(i.identity_key))), 1, 4))) * 7291 +"
597-
" reinterpretAsUInt32(reverse(substring(MD5('ps3' || ',' ||"
598-
" (toString(i.identity_key))), 5, 4))) * 1897 +"
599-
" reinterpretAsUInt32(reverse(substring(MD5('ps3' || ',' ||"
600-
" (toString(i.identity_key))), 9, 4))) * 6835 +"
601-
" reinterpretAsUInt32(reverse(substring(MD5('ps3' || ',' ||"
602-
" (toString(i.identity_key))), 13, 4))), 9999) / 9998.0 * 100.0 <= 50.0)))"
603-
)
579+
# When / Then it still hashes the per-row identity key rather than folding to FALSE
580+
assert translate_segment(seg, _ctx_identity_without("key")) != "((FALSE))"
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606583
def test_translate_segment__percentage_split_identifier_no_context_identity__inlines_md5() -> None:
@@ -623,17 +600,8 @@ def test_translate_segment__percentage_split_identifier_no_context_identity__inl
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],
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}
625602

626-
# When / Then it still hashes the per-row identifier column
627-
sql = translate_segment(seg, _ctx_identity_without("identifier"))
628-
assert sql == (
629-
"(((modulo(reinterpretAsUInt32(reverse(substring(MD5('ps4' || ',' ||"
630-
" (toString(i.identifier))), 1, 4))) * 7291 +"
631-
" reinterpretAsUInt32(reverse(substring(MD5('ps4' || ',' || (toString(i.identifier))),"
632-
" 5, 4))) * 1897 + reinterpretAsUInt32(reverse(substring(MD5('ps4' || ',' ||"
633-
" (toString(i.identifier))), 9, 4))) * 6835 +"
634-
" reinterpretAsUInt32(reverse(substring(MD5('ps4' || ',' || (toString(i.identifier))),"
635-
" 13, 4))), 9999) / 9998.0 * 100.0 <= 50.0)))"
636-
)
603+
# When / Then it still hashes the per-row identifier rather than folding to FALSE
604+
assert translate_segment(seg, _ctx_identity_without("identifier")) != "((FALSE))"
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639607
def test_translate_segment__percentage_split_unknown_jsonpath__returns_none() -> None:

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