key_inspector_postgresql

tablename

<p>Return all primary key columns as guess at preferred primary keys for a PostgreSQL handle.</p>

A piped query generator based on Edgar F. Codd's relational
algebra, and on production experience using 'SQL' and 'dplyr' at big data
scale.  The design represents an attempt to make 'SQL' more teachable by
denoting composition by a sequential pipeline notation instead of nested
queries or functions.   The implementation delivers reliable high
performance data processing on large data systems such as 'Spark',
databases, and 'data.table'. Package features include: data processing trees
or pipelines as observable objects (able to report both columns
produced and columns used), optimized 'SQL' generation as an explicit
user visible table modeling step, plus explicit query reasoning and checking.

John Mount

rquery

key_inspector_postgresql: Return all primary key columns as guess at preferred primary keys for a PostgreSQL handle.

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