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Translating complex Presto data types4 years ago
Package setup | Overview | Walkthrough preparation | Local Presto server in memory | Presto connection in R | Atomic structural types that contain primitive types | ARRAYs | Create a table with ARRAYs of primitive types | Translate ARRAYs to R vectors | MAPs | Create a table with MAPS of primitive types | Translate MAPs to R vectors | Repeated ARRAYs and MAPs | ROW type | Single ROW translation | Repeated ROWs translation | Walkthrough wrap-up
Primitive Presto data types to R types4 years ago
Package setup | Overview | Walkthrough preparation | Local Presto server in memory | Presto connection in R | Primitive data types table in Presto | Data types mapping to R | Boolean | Integers | Non-BIGINT integers | BIGINT integers | Floating numbers | Fixed-precision numbers | Strings | VARCHAR and CHAR types | VARBINARY | Date and Time | DATE | TIMESTAMP | INTERVALs | Walkthrough wrap-up
Common Table Expressions (CTEs)4 years ago
Setup | Define CTEs while creating a PrestoConnection | Incorporating CTEs with dplyr backend