1. Restore the utf8_truncate_point() function in utils/common/utils_utf8.h
that I removed as part of the patch for MCOL-4931.
2. As per the definition of TEXT columns, the default column width represents
the maximum number of bytes that can be stored in the TEXT column. So the
effective maximum length is less if the value contains multi-byte characters.
However, if the user explicitly specifies the length of the TEXT column in a
table DDL, such as TEXT(65535), then the DDL logic ensures that enough number
of bytes are allocated (upto a system maximum) to allow upto that many number
of characters (multi-byte characters if the charset for the column is multi-byte,
such as utf8mb3).
1. Extend the following CalpontSystemCatalog member functions to
set CalpontSystemCatalog::ColType::charsetNumber, after the
system catalog update to add charset number to calpontsys.syscolumn
in MCOL-5005:
CalpontSystemCatalog::lookupOID
CalpontSystemCatalog::colType
CalpontSystemCatalog::columnRIDs
CalpontSystemCatalog::getSchemaInfo
2. Update cpimport to use the CHARSET_INFO object associated with the
charset number retrieved from the system catalog, for a
dictionary/non-dictionary CHAR/VARCHAR/TEXT column, to truncate
long strings that exceed the target column character length.
3. Add MTR test cases.
