Parse ELT connectors before planning SQL.
Parse ELT connectors before planning SQL.

Must read the ELT connectors to discover append-only
tables before planning stored procedure SQL. Else,
no tables are append-only and reads/updates aren't
errored.

The existing test case for this functionality uses
an @adhoc query, run against a fully configured catalog.

deerwalk/voltdb,zuowang/voltdb,migue/voltdb,kumarrus/voltdb,flybird119/voltdb,kumarrus/voltdb,kobronson/cs-voltdb,wolffcm/voltdb,creative-quant/voltdb,deerwalk/voltdb,kumarrus/voltdb,ingted/voltdb,flybird119/voltdb,flybird119/voltdb,ingted/voltdb,migue/voltdb,kumarrus/voltdb,migue/voltdb,VoltDB/voltdb,VoltDB/voltdb,zuowang/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,migue/voltdb,creative-quant/voltdb,VoltDB/voltdb,kobronson/cs-voltdb,ingted/voltdb,kumarrus/voltdb,kobronson/cs-voltdb,wolffcm/voltdb,wolffcm/voltdb,creative-quant/voltdb,deerwalk/voltdb,wolffcm/voltdb,VoltDB/voltdb,zuowang/voltdb,VoltDB/voltdb,kumarrus/voltdb,wolffcm/voltdb,creative-quant/voltdb,flybird119/voltdb,ingted/voltdb,kobronson/cs-voltdb,ingted/voltdb,creative-quant/voltdb,deerwalk/voltdb,wolffcm/voltdb,paulmartel/voltdb,kumarrus/voltdb,migue/voltdb,simonzhangsm/voltdb,zuowang/voltdb,zuowang/voltdb,simonzhangsm/voltdb,flybird119/voltdb,VoltDB/voltdb,zuowang/voltdb,kobronson/cs-voltdb,migue/voltdb,ingted/voltdb,creative-quant/voltdb,paulmartel/voltdb,deerwalk/voltdb,kobronson/cs-voltdb,paulmartel/voltdb,zuowang/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,paulmartel/voltdb,kumarrus/voltdb,flybird119/voltdb,kobronson/cs-voltdb,migue/voltdb,wolffcm/voltdb,paulmartel/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,creative-quant/voltdb,VoltDB/voltdb,kobronson/cs-voltdb,simonzhangsm/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,migue/voltdb,flybird119/voltdb,zuowang/voltdb,ingted/voltdb,ingted/voltdb,flybird119/voltdb,creative-quant/voltdb,wolffcm/voltdb,paulmartel/voltdb