https://preprod.theatre-contemporain.net/textes/L-Un-l-autre-Isaac-Kirkhov/?path=textes%2FL-Un-l-autre-Isaac-Kirkhov%2F

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1 SIMPLE c const PRIMARY, classification classification 767 const 1 Using index
1 SIMPLE pc ref PRIMARY, idclassification idclassification 4 const 1 Using index
1 SIMPLE p eq_ref PRIMARY, idtext PRIMARY 4 theatreok_dev.pc.idplaylist 1 Using where