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Commite2e7085

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committed
wip for query builder
1 parent7f030e3 commite2e7085

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3 files changed

+33
-1
lines changed

3 files changed

+33
-1
lines changed
Lines changed: 27 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,27 @@
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frompypikaimportQuery,Table,AliasedQuery,Order
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frompgml.queriesimportEmbed,CosineDistance
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embeddings_table=Table("embeddings_table")
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chunks_table=Table("chunks_table")
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documents_table=Table("documents_table")
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query_embed=Query().select(Embed(transformer="instructxl",text="hello"))
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print(query_embed)
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query_table=AliasedQuery("query_cte")
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query_cte=Query().with_(query_embed,"query_cte").from_(query_table).select('*')
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print(query_cte)
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table_embed= (
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Query()
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.with_(
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Query()
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.from_(embeddings_table)
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.cross_join(query_table)
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.on(embeddings_table.embedding==query_table.embedding).select('*'),
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"cte",
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)
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.from_(AliasedQuery("cte"))
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.select("score")
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)
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print(table_embed)

‎pgml-sdks/python/pgml/pgml/__init__.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,4 +4,5 @@
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run_create_or_insert_statement,
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run_select_statement,
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run_drop_or_delete_statement,
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)
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)
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from .queriesimportEmbed,CosineDistance

‎pgml-sdks/python/pgml/pgml/collection.py‎

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Original file line numberDiff line numberDiff line change
@@ -20,6 +20,7 @@
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run_select_statement,
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)
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from .queriesimportEmbed,CosineDistance
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fromlangchain.text_splitterimportRecursiveCharacterTextSplitter
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frompypika.queriesimportSchema,Table,Query,QueryBuilder
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@@ -849,6 +850,9 @@ def vector_recall(self,
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return []
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conn=self.pool.getconn()
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cte_query=Query.select(Embed(transformer=model,text=query,parameters=query_parameters)).with_()
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table_embedding=Query.from_(embeddings_table).select('chunk_id',CosineDistance(embeddings_table.embedding,query_embedding.cosine)).cross_join(query_embedding)
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cte_select_statement="""
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WITH query_cte AS (
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SELECT pgml.embed(transformer => {model}, text => '{query_text}', kwargs => {model_params}) AS query_embedding

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