sqlite3_index_info

sqlite3_index_constraint struct sqlite3_index_constraint: Undocumented in source.
sqlite3_index_constraint_usage struct sqlite3_index_constraint_usage: Undocumented in source.
sqlite3_index_orderby struct sqlite3_index_orderby: Undocumented in source.

aConstraint sqlite3_index_constraint* aConstraint;: Table of WHERE clause constraints
aOrderBy sqlite3_index_orderby* aOrderBy;: The ORDER BY clause
estimatedCost double estimatedCost;: Estimated cost of using this index
idxNum int idxNum;: Number used to identify the index
idxStr char* idxStr;: String, possibly obtained from sqlite3_malloc
nConstraint int nConstraint;: Number of entries in aConstraint
nOrderBy int nOrderBy;: Number of terms in the ORDER BY clause
needToFreeIdxStr int needToFreeIdxStr;: Free idxStr using sqlite3_free() if true
orderByConsumed int orderByConsumed;: True if output is already ordered

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