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CTAS fixes for ddl on hive objects

  1. … 26 more files in changeset.
TRAFODION-3086 Traf support for DDL operations on Hive objects

-- Support for TRAFODION-3086. Details in document attached to jira.

Other changes:

-- support for "if not exists", "if exists" clause for create/drop view

-- Support for: truncate T, truncate table T.

-- same as purgedata

-- showddl <tab>, detail

-- unregister hive schema <sch>

-- will unregister all objects in specified schema

-- Support for "if not registered", "if registered" clauss for

register/unregister command.

  1. … 90 more files in changeset.
JIRA TRAFODION-2180 enable/externalize non-ansi sql syntax/functionality

Enabled and externalized support for following functionality:

-- RANDOM and RANDOM(seed) functions

-- CEIL (same as CEILING) math function

-- GREATEST(val1, val2), LEAST(val1, val2)

-- return greater or lesser value between val1 and val2

-- MONTHS_BETWEEN(date1, date2)

-- number of months between date1 and date2.

+ve, if date1 > date2. -ve, otherwise

-- LAST_DAY(<date>)

-- date of the last day of the month of <date>

-- NEXT_DAY(<date>, <string>)

-- returns the date of the first weekday named by <string>

that is later than the date <date>

-- TRUNC. Same as DATE_TRUNC

-- TO_NUMBER. Limited support.

-- TO_TIMESTAMP. Limited support.

-- syntax BYTEINT (same as TINYINT)

-- select UNIQUE ... from <tab>. Same as DISTINCT

-- NOT NULL ENABLE syntax in col defn (same as NOT NULL)

-- Removal of all reserved keywords

-- support for 'select * from DUAL'

Other changes:

-- error 8413 to indicate that source data being displayed is in hex

-- "-failed" option to runregr and runallsb.

It will rerun only the tests that have failed

-- removed mode_special_2, mode_special_3, mode_special_5 cqds

-- fixed an issue with hive data modification check

-- alter rename stmt now writes generated object into metadata

-- Infrastructure support for couple of JIRAs.

These have not been enabled as default for this ckin but

developer regressions are run after enabling them.

-- JIRA TRAFODION-2181 Incompatible operations

-- JIRA TRAFODION-2184 Groupby/Orderby extensions

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fix for comments

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initial support of WITH

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Part 1 of updates to licensing info in Trafodion source

Added NOTICE.txt file in root directory per ASF guidelines.

Updated copyright text in one directory (core/sql/sqlcomp)

as a test of a tool to update such text. One or more later

check-ins will take care of the remaining directories.

  1. … 63 more files in changeset.
Move core into subdir to combine repos

  1. … 10768 more files in changeset.
Move core into subdir to combine repos

  1. … 10622 more files in changeset.
Move core into subdir to combine repos

Use: git log --follow -- <file>

to view file history thru renames.

  1. … 10837 more files in changeset.