Description Usage Arguments Details
By default, uses parameterized INSERT IGNORE statement with option to replace if exists.
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dataF |
data frame to be appended |
tName |
table to appand data to |
Group |
Group identifier found in .my.cnf |
defaultFile |
file where Group credentials are found |
verbose |
provide feedback to user |
INSERT IGNORE will allow inserts if primary key does not exist and ignores inserts where it does preventing failure of statement when values exist. Note: REPLACE makes sense only if a table has a PRIMARY KEY or UNIQUE index. Otherwise, it becomes equivalent to INSERT, because there is no index to be used to determine whether a new row duplicates another. replaceifexists = TRUE is slower.
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