GitHub - citusdata/postgres_vectorization_test: Vectorized executor to speed up PostgreSQL

These numbers discouraged me in three ways. First, I was hoping to find a single function that was the performance bottleneck. Instead, PostgreSQL was spending a proportional amount of time scanning over the lineitem table's tuples [17], projecting relevant columns from each tuple and grouping them [7], and applying aggregate functions on grouped values [9]. Second, I read the code for these funct

[tmatsuu]

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